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《Journal of Modern Physics》

作品数2369被引量442H指数6
  • 主办单位美国科研出版社
  • 国际标准连续出版物号2153-1196
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Cosmological Gravitational Redshift, Spectral Shift and Time in the Taub-NUT Universe
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作者 Charles H. McGruder III 《Journal of Modern Physics》 2024年第9期1448-1459,共12页
We demonstrate that: 1) The Taub-NUT universe is finite. 2) The Taub-NUT universe is much larger than the maximum observable distance according to the standard theory of cosmology. 3) At large distances the spectral s... We demonstrate that: 1) The Taub-NUT universe is finite. 2) The Taub-NUT universe is much larger than the maximum observable distance according to the standard theory of cosmology. 3) At large distances the spectral shift turns into a blueshift. 4) At large distances time dilation turns into time contraction. 展开更多
关键词 COSMOLOGY General Relativity
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Extraterrestrial Life in the Thermosphere: Plasmas, UAP, Pre-Life, Fourth State of Matter
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作者 R. Joseph C. Impey +8 位作者 O. Planchon R. del Gaudio M. Abu Safa A. R. Sumanarathna E. Ansbro D. Duvall G. Bianciardi C. H. Gibson R. Schild 《Journal of Modern Physics》 2024年第3期322-376,共55页
“Plasmas” up to a kilometer in size and behaving similarly to multicellular organisms have been filmed on 10 separate NASA space shuttle missions, over 200 miles above Earth within the thermosphere. These self-illum... “Plasmas” up to a kilometer in size and behaving similarly to multicellular organisms have been filmed on 10 separate NASA space shuttle missions, over 200 miles above Earth within the thermosphere. These self-illuminated “plasmas” are attracted to and may “feed on” electromagnetic radiation. They have different morphologies: 1) cone, 2) cloud, 3) donut, 4) spherical-cylindrical;and have been filmed flying towards and descending from the thermosphere into thunderstorms;congregating by the hundreds and interacting with satellites generating electromagnetic activity;approaching the Space Shuttles. Computerized analysis of flight path trajectories documents these plasmas travel at different velocities from different directions and change their angle of trajectory making 45°, 90°, and 180° shifts and follow each other. They’ve been filmed accelerating, slowing down, stopping, congregating, engaging in “hunter-predatory” behavior and intersecting plasmas leaving a plasma dust trail in their wake. Similar life-like behaviors have been demonstrated by plasmas created experimentally. “Plasmas” may have been photographed in the 1940s by WWII pilots (identified as “Foo fighters”);repeatedly observed and filmed by astronauts and military pilots and classified as Unidentified Aerial—Anomalous Phenomenon. Plasmas are not biological but may represent a form of pre-life that via the incorporation of elements common in space, could result in the synthesis of RNA. Plasmas constitute a fourth state of matter, are attracted to electromagnetic activity, and when observed in the lower atmosphere likely account for many of the UFO-UAP sightings over the centuries. 展开更多
关键词 Extraterrestrials PLASMAS Dusty Plasmas EXTREMOPHILES Life in Space Abiogenesis Origins of Life RNA World
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Rigidity Symmetry Line for Thermodynamic Fluid Equations-of-State
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作者 Leslie V. Woodcock 《Journal of Modern Physics》 2024年第5期613-633,共21页
We report progress towards a modern scientific description of thermodynamic properties of fluids following the discovery (in 2012) of a coexisting critical density hiatus and a supercritical mesophase defined by perco... We report progress towards a modern scientific description of thermodynamic properties of fluids following the discovery (in 2012) of a coexisting critical density hiatus and a supercritical mesophase defined by percolation transitions. The state functions density ρ(p,T), and Gibbs energy G(p,T), of fluids, e.g. CO<sub>2</sub>, H<sub>2</sub>O and argon exhibit a symmetry characterised by the rigidity, ω = (dp/dρ)<sub>T</sub>, between gaseous and liquid states along any isotherm from critical (T<sub>c</sub>) to Boyle (T<sub>B</sub>) temperatures, on either side of the supercritical mesophase. Here, using experimental data for fluid argon, we investigate the low-density cluster physics description of an ideal dilute gas that obeys Dalton’s partial pressure law. Cluster expansions in powers of density relate to a supercritical liquid-phase rigidity symmetry (RS) line (ω = ρ<sub>rs</sub>(T) = RT) to gas phase virial coefficients. We show that it is continuous in all derivatives, linear within stable fluid phase, and relates analytically to the Boyle-work line (BW) (w = (p/ρ)<sub>T</sub> = RT), and to percolation lines of gas (PB) and liquid (PA) phases by: ρ<sub>BW</sub>(T) = 2ρ<sub>PA</sub>(T) = 3ρ<sub>PB</sub>(T) = 3ρ<sub>RS</sub>(T)/2 for T T<sub>B</sub>. These simple relationships arise, because the higher virial coefficients (b<sub>n</sub>, n ≥ 4) cancel due to clustering equilibria, or become negligible at all temperatures (0 T T<sub>B</sub>)<sub> </sub>within the gas phase. The Boyle-work line (p/ρ<sub>BW</sub>)<sub>T</sub> is related exactly at lower densities as T → T<sub>B</sub>, and accurately for liquid densities, by ρ<sub>BW</sub>(T) = −(b<sub>2</sub>/b<sub>3</sub>)<sub>T</sub>. The RS line, ω(T) = RT, defines a new liquid-density ground-state physical constant (ρ<sub>RS</sub>(0) = (2/3)ρ<sub>BW</sub>(0) for argon). Given the gas-liquid rigidity symmetry, the entire thermodynamic state functions below T<sub>B</sub> are obtainable from b<sub>2</sub>(T). A BW-line ground-state crystal density ρ<sub>BW</sub>(0) can be defined by the pair potential minimum. The Ar<sub>2</sub> pair potential, ∅ij</sub>(r<sub>ij</sub>) determines b<sub>2</sub>(T) analytically for all T. This report, therefore, advances the salient objective of liquid-state theory: an argon p(ρ,T) Equation-of-state is obtained from ∅<sub>ij</sub>(r<sub>ij</sub>) for all fluid states, without any adjustable parameters. 展开更多
关键词 Liquid-State Theory Cluster Physics Percolation Lines Fluid Thermodynamics Boyle Line Rigidity-Symmetry Line
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Fresnel Equations Derived Using a Non-Local Hidden-Variable Particle Theory
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作者 Dirk J. Pons 《Journal of Modern Physics》 2024年第6期950-984,共35页
Problem: The Fresnel equations describe the proportions of reflected and transmitted light from a surface, and are conventionally derived from wave theory continuum mechanics. Particle-based derivations of the Fresnel... Problem: The Fresnel equations describe the proportions of reflected and transmitted light from a surface, and are conventionally derived from wave theory continuum mechanics. Particle-based derivations of the Fresnel equations appear not to exist. Approach: The objective of this work was to derive the basic optical laws from first principles from a particle basis. The particle model used was the Cordus theory, a type of non-local hidden-variable (NLHV) theory that predicts specific substructures to the photon and other particles. Findings: The theory explains the origin of the orthogonal electrostatic and magnetic fields, and re-derives the refraction and reflection laws including Snell’s law and critical angle, and the Fresnel equations for s and p-polarisation. These formulations are identical to those produced by electromagnetic wave theory. Contribution: The work provides a comprehensive derivation and physical explanation of the basic optical laws, which appears not to have previously been shown from a particle basis. Implications: The primary implications are for suggesting routes for the theoretical advancement of fundamental physics. The Cordus NLHV particle theory explains optical phenomena, yet it also explains other physical phenomena including some otherwise only accessible through quantum mechanics (such as the electron spin g-factor) and general relativity (including the Lorentz and relativistic Doppler). It also provides solutions for phenomena of unknown causation, such as asymmetrical baryogenesis, unification of the interactions, and reasons for nuclide stability/instability. Consequently, the implication is that NLHV theories have the potential to represent a deeper physics that may underpin and unify quantum mechanics, general relativity, and wave theory. 展开更多
关键词 Wave-Particle Duality Optical Law Fresnel Equation Non-Local Hidden-Variable
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Killing Operator for the Kerr Metric
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作者 J.-F. Pommaret 《Journal of Modern Physics》 CAS 2023年第1期31-59,共29页
When D: E &rarr;F is a linear differential operator of order q between the sections of vector bundles over a manifold X of dimension n, it is defined by a bundle map &Phi;: J<sub>q</sub>(E) &ra... When D: E &rarr;F is a linear differential operator of order q between the sections of vector bundles over a manifold X of dimension n, it is defined by a bundle map &Phi;: J<sub>q</sub>(E) &rarr;F=F<sub>0</sub> that may depend, explicitly or implicitly, on constant parameters a, b, c, ... . A “direct problem” is to find the generating compatibility conditions (CC) in the form of an operator D<sub>1</sub>: F<sub>0</sub> &rarr;F<sub>1</sub>. When D is involutive, that is when the corresponding system R<sub>q</sub> = ker (&Phi;) is involutive, this procedure provides successive first order involutive operators D<sub>1</sub>, ..., D<sub>n</sub>. Though D<sub>1</sub> &omicron;D = 0 implies ad (D) &omicron;ad(D<sub>1</sub>) = 0 by taking the respective adjoint operators, then ad (D) may not generate the CC of ad (D<sub>1</sub>) and measuring such “gaps” led to introduce extension modules in differential homological algebra. They may also depend on the parameters and such a situation is well known in ordinary or partial control theory. When R<sub>q</sub> is not involutive, a standard prolongation/projection (PP) procedure allows in general to find integers r, s such that the image of the projection at order q+r of the prolongation is involutive but it may highly depend on the parameters. However, sometimes the resulting system no longer depends on the parameters and the extension modules do not depend on the parameters because it is known that they do not depend on the differential sequence used for their definition. The purpose of this paper is to study the above problems for the Kerr (m, a), Schwarzschild (m, 0) and Minkowski (0, 0) parameters while computing the dimensions of the inclusions for the respective Killing operators. Other striking motivating examples are also presented. 展开更多
关键词 Differential Operator Adjoint Operator Differential Sequence Einstein Equations Kerr Metric Differential Module Extension Module Contact Structure
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Antiproton Production with a Fixed Target and Search for Superheavy Particles at the LHC
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作者 Alexey B. Kurepin Nikolay A. Kurepin Konstantin A. Skazytkin 《Journal of Modern Physics》 CAS 2022年第7期1093-1098,共6页
A proposal for an experiment to measure the cross section of antiproton production in a proton-nuclear collision in a kinematically forbidden region for nucleon-nucleon interaction on a fixed LHC target is considered.... A proposal for an experiment to measure the cross section of antiproton production in a proton-nuclear collision in a kinematically forbidden region for nucleon-nucleon interaction on a fixed LHC target is considered. It is shown that this process can be separated from the kinematically allowed production process using the existing detectors of the ALICE facility at a proton energy of 7 TeV with a fixed nuclear target. Assuming the scale dependence of the cross section, the data obtained can be used to estimate the subthreshold cross section for the production of superheavy particles with a mass of several tens of TeV in the LHC lead nucleus beam. 展开更多
关键词 ANTIPROTON Fixed Target COLLIDER Heavy Ion Collision Superheavy Particles
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Standard Model Masses Explained
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作者 T. R. Mongan 《Journal of Modern Physics》 2021年第7期983-987,共5页
The Standard Model of particle physics requires nine lepton and quark masses as inputs, but does not incorporate neutrino masses required by neutrino oscillation observations. This analysis addresses these problems, e... The Standard Model of particle physics requires nine lepton and quark masses as inputs, but does not incorporate neutrino masses required by neutrino oscillation observations. This analysis addresses these problems, explaining Standard Model particle masses by describing fundamental particles as solutions of Einstein’s equations, with radii 1/4 their Compton wavelength and half of any charge on rotating particles located on the surface at each end of the axis of rotation. The analysis relates quark and lepton masses to electron charge and mass, and identifies neutrino masses consistent with neutrino oscillation observations. 展开更多
关键词 Standard Model Masses Spherical Fundamental Particles Einstein’s Equations
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Mechanism of Quantum Consciousness that Synchronizes Quantum Mechanics with Relativity—Perspective of a New Model of Consciousness
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作者 Siva Prasad Kodukula 《Journal of Modern Physics》 2021年第12期1633-1655,共23页
Synchronization of quantum mechanics with relativity has been considered differently from the present quantum gravity models. It is originated from the roots of philosophy of physics and the basic concepts of relativi... Synchronization of quantum mechanics with relativity has been considered differently from the present quantum gravity models. It is originated from the roots of philosophy of physics and the basic concepts of relativity & quantum mechanics. It emphasizes the fact that two conscious observers are necessary to experience one conscious moment. Various concepts of consciousness have been discussed and emphasized the necessity for the introduction of a new model of quantum consciousness. A quantum coordinate system has been introduced to explain the present understanding of the phenomena “observation” and “reality”. It has been elaborated that the observation defined by physics is confined to Lorentz space time coordinate system, Minkowski coordinate system and general relativity. But phenomena of observation cannot be completed without considering one more hidden transformation explaining quantum coordinate system which transforms the quantum states into relativistic coordinate system as an interaction between two conscious observers explained by an interactive mechanism of quantum states. A flow chart has been illustrated by a mechanism giving rise to conscious moment and proposed a new model of consciousness. It emphasizes on the fact that “reality” is different from “observation” defined by physics. It affects the relativistic factor of special relativity and suggests a modification for it. If this modified relativistic factor is proved experimentally, the results establish consciousness’s mechanism and a remarkable breakthrough in physics of consciousness studies. 展开更多
关键词 Quantum Mechanics RELATIVITY Double Relativity Effect Film Theory of Universe CONSCIOUSNESS
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How Massive Are the Superfluid Cores in the Crab and Vela Pulsars and Why Their Glitch-Events Are Accompanied with under and Overshootings? 被引量:2
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作者 A. A. Hujeirat R. Samtaney 《Journal of Modern Physics》 2020年第3期395-406,共12页
The Crab and Vela are well-studied glitching pulsars and the data obtained so far should enable us to test the reliability of models of their internal structures. Very recently it was proposed that glitching pulsars a... The Crab and Vela are well-studied glitching pulsars and the data obtained so far should enable us to test the reliability of models of their internal structures. Very recently it was proposed that glitching pulsars are embedded in bimetric spacetime: their incompressible superfluid cores (SuSu-cores) are embedded in flat spacetime, whereas the ambient compressible and dissipative media are enclosed in Schwarzschild spacetime. In this letter we apply this model to the Crab and Vela pulsars and show that a newly born pulsar initially of and an embryonic SuSu-core of could evolve into a Crab-like pulsar after 1000 years and into a Vela-like pulsar 10,000 years later to finally fade away as an invisible dark energy object after roughly 10 Myr. Based thereon we infer that the Crab and the Vela pulsars should have SuSu-cores of and , respectively. Furthermore, the under- and overshootings phenomena observed to accompany the glitch events of the Vela pulsar are rather a common phenomenon of glitching pulsars that can be well-explained within the framework of bimetric spacetime. 展开更多
关键词 Relativity: Numerical General Black Hole Physics MAGNETARS Neutron Stars Pulsars SUPERFLUIDITY Superconductivity GLUONS QUARKS Quantum CHROMODYNAMICS (QCD)
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A Possible Solution to the Disagreement about the Hubble Constant II
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作者 Frank R. Tangherlini 《Journal of Modern Physics》 2020年第8期1215-1235,共21页
This work continues the previous study (2018) Journal of Modern Physics. 9, 1827-1837, that proposes that the disagreement arises because the cosmic microwave background (CMB) value for the Hubble constant <em>H... This work continues the previous study (2018) Journal of Modern Physics. 9, 1827-1837, that proposes that the disagreement arises because the cosmic microwave background (CMB) value for the Hubble constant <em>H</em><sub><em>0</em></sub> is actually for a universe which is decelerating rather than accelerating. It is shown that when <em>H</em><sub><em>0</em></sub> of Freedman et al. (2019) Astrophysical Journal, 882: 34 (24 pp.) is re-determined for redshift <em>z </em>= 0.07, by replacing <em>q</em><sub><em>0 </em></sub>= <span style="white-space:nowrap;">&minus;</span>0.53 with <em style="white-space:normal;">q</em><sub style="white-space:normal;"><em>0 </em></sub><span style="white-space:normal;">= <span style="white-space:nowrap;">&minus;</span>0.5</span>, the new lower value is in excellent agreement (0.1%) with the CMB <em>H</em><sub><em>0</em></sub>. The model is modified to include the clustering of galaxies, and the recognition that there are clusters that do not experience the Hubble expansion, such as the Local Group, and hence, in accordance with the model, within the Local Group the speed of light is <em>c</em>. The bearing of this result on the neutrino and light time delay from SN1987a is discussed. It is suggested that the possible emission of a neutrino from the blazar TXS-0506+56, that was flaring at the time, as well as possible neutrino emission earlier, may arise instead from a more distant source that happens to be, angle-wise, near the blazar, and hence the correlation is accidental. The model is further modified to allow for a variable index of refraction, and a comparison with the ΛCDM model is given. The age of the universe for different values of<em> H</em><sub><em>0</em></sub> is studied, and comparison with the ages of the oldest stars in the Milky Way is discussed. Also, gravitational wave determination of <em>H</em><sub><em>0</em></sub> is briefly discussed. 展开更多
关键词 Hubble Constant Disagreement Decelerating Universe Galactic Clusters Age of Universe
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Quantum Interference without Quantum Mechanics
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作者 Arend Niehaus 《Journal of Modern Physics》 2019年第4期423-431,共9页
A recently proposed model of the Dirac electron, which has been shown to describe several observed properties of the particle correctly, is in the present paper shown to be also able to explain quantum interference by... A recently proposed model of the Dirac electron, which has been shown to describe several observed properties of the particle correctly, is in the present paper shown to be also able to explain quantum interference by classical probabilities. According to this model, the electron is not point-like, but rather an “entity with structure”, formed by a fast periodic motion of a “light-like object”, whose momentum (p) causes the angular momentum responsible for the spin, and whose energy (E = pc) is equal to the energy of the electron, mc2. A qualitative description of the model is given, together with the quantitative formulae that allow to discuss interference. Applied to the experimental situation of the “two-slit” experiment, the formulae yield the same time dependence of the detection probability as the quantum mechanical treatment, and hence the same interference pattern. In contrast to quantum mechanics, the pattern is due to “particle interference” rather than to “wave interference”. No wave-particle paradox arises. The merits of the model are summarized, and its physical content discussed. 展开更多
关键词 INTERPRETATION of QUANTUM MECHANICS QUANTUM Interference CLASSICAL PROBABILITY
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Was There a Negative Vacuum Energy in Your Past?
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作者 George Chapline James Barbieri 《Journal of Modern Physics》 2019年第10期1166-1176,共11页
We introduce a novel model for the origin of the observable universe in which a flat universe with a positive vacuum energy is proceeded by a flat universe with a negative vacuum energy. A negative vacuum energy is co... We introduce a novel model for the origin of the observable universe in which a flat universe with a positive vacuum energy is proceeded by a flat universe with a negative vacuum energy. A negative vacuum energy is consistent with a supersymmetric ground state similar to that predicted by superstring theories. A positive vacuum energy could emerge as a result of the gravitational collapse of the negative vacuum energy universe when the matter temperature reaches a characteristic value where supersymmetry is strongly broken. In principle this allows one to derive all the features of our expanding universe from a single parameter: the magnitude of the pre-big bang negative vacuum energy density. In this paper, a simple model for the big bang is introduced which allows us to use the present day entropy density, and temperature fluctuations of the CMB, together with the present day density of dark matter, to predict the magnitude of the negative vacuum energy. This model for the big bang also makes a dramatic prediction: dark matter consists of compact objects with masses on the order of 104 solar masses. Remarkably this is consistent with numerical simulations for how the primordial fluctuations in the density of dark matter give rise to the observed inhomogeneous distribution of matter in our universe. Our model for the big bang also allows for the production of some compact objects with masses greater than 104 solar masses which are consistent with observations of massive compact objects at the center of the earliest galaxies. 展开更多
关键词 GRAVITATIONAL COLLAPSE COSMOLOGY DARK MATTER Vacuum Energy CMB
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Principles of Nature
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作者 Apollinarii Stetsun 《Journal of Modern Physics》 2018年第3期320-334,共15页
The analysis of peculiarities of structures of different physical systems, such as hydrogen atom, Solar system, a star with surrounding objects has shown that one of the important features of matter existence is that ... The analysis of peculiarities of structures of different physical systems, such as hydrogen atom, Solar system, a star with surrounding objects has shown that one of the important features of matter existence is that matter is defined by functions or parameters that strive for maximum or maximums. As a result a principle of matter, existence has been formulated which states that matter strives for maximum or maximums formation. Another principle that information strives toward maximum or maximums has been formulated on the basis of Darwin’s theory and certain concepts of genetics. The theory that has been developed accounts for maximalization processes in nature. This theory does not neglect principles of minimization. 展开更多
关键词 NATURE Maximalization MATTER INFORMATION
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Origin of the Universe, Dark Energy, and Dark Matter 被引量:1
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作者 T. R. Mongan 《Journal of Modern Physics》 2018年第5期832-850,共19页
This explanation of the origin of the universe, dark energy, and dark matter is based on quantum mechanics, general relativity, thermodynamics, and Shannon information theory. It envisions our universe beginning with ... This explanation of the origin of the universe, dark energy, and dark matter is based on quantum mechanics, general relativity, thermodynamics, and Shannon information theory. It envisions our universe beginning with a quantum fluctuation from nothing into an unstable closed space with our familiar three space dimensions accompanied by seven extra space dimensions, the four basic forces unified, and initial radius of the order of the proton wavelength. The compact extra dimensions collapsed to their ground state with radius of the order of today’s Planck length, injecting most of the entropy (information) in the extra dimensions into our three space dimensions and inflating them by a factor of about e58&asymp;1025. The constant ground state energy of the compact extra dimensions is related to the dark energy (vacuum energy) driving today’s accelerating expansion of our three-dimensional universe. With the usual values of G, , c, and Hubble constant? h0=0.65, the dark energy fraction is &asymp;0.7. Immediately after inflation, the strong force acting only on matter was an effective “strong gravity” (about 1038 times stronger than gravity today) causing 83% of matter to coalesce into small impenetrable closed systems interacting only by gravity and constituting most of the dark matter. Other universes may have formed similarly in the infinite sweep of cosmic time, but are of no practical significance because they are profoundly elsewhere. The holographic principle (a consequence of quantum mechanics, general relativity, thermodynamics, and Shannon information theory) indicates only a finite number (about 10122) of bits of information encoded on the event horizon will ever be available to describe all physics within our universe. There are no sources or sinks of information outside the universe, so the universe must be described as a closed system. Matter dominance over anti-matter relates to the finite number of bits of information in the universe, as does the fact that theories involving continuum mathematics only approximate an underlying theory involving discrete mathematics. Ordinary matter constitutes only about 5% of the energy density of the universe. Holographic analysis of large scale structures composed of stars accounts for: minimum stellar mass as a function of time;the hierarchy of star clusters, galaxies, and galaxy clusters;and supermassive black holes. It identifies configurations of spiral and elliptical galaxies consistent with conservation of mass and angular momentum accounting for the 15% of bulgeless disks found in the survey of 15,000 spiral galaxies in the sixth SDSS data release. The smallest scale structures are usually described by the Standard Model of elementary particles, based on local quantum field theory. The Standard Model cannot be the final theory of elementary particles because: it incorrectly assumes neutrinos are massless;it cannot account for the bizarre mass spectrum of three generations of four Standard Model fermions;and does not provide the necessary non-local discrete theory of elementary particles. A holographic (and therefore non-local) preon theory involving strands with finite energy density instead of point particles can be outlined, but calculation in such a framework is difficult and gives no insight into the fermion mass spectrum. 展开更多
关键词 Quantum COSMOLOGY DARK Energy DARK MATTER Matter-Antimatter Asymmetry
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Temperature Scaling in Flat Space Cosmology in Comparison to Standard Cosmology
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作者 Eugene Terry Tatum U. V. S. Seshavatharam 《Journal of Modern Physics》 2018年第7期1404-1414,共11页
Flat Space Cosmology (FSC) is a mathematical model of universal expansion which has proven to be remarkably accurate in comparison to observations. Temperature scaling is redefined in this paper in terms of a new “Un... Flat Space Cosmology (FSC) is a mathematical model of universal expansion which has proven to be remarkably accurate in comparison to observations. Temperature scaling is redefined in this paper in terms of a new “Universal Temperature” Tu scale according to Tu = T 2, where T 2 is in K2. This rescaling puts FSC cosmic temperature, time, total matter mass, and Hubble radius on the same scale, covering roughly 60.63 logs of 10 from the Planck scale to the present scale. This paper focuses on the relatively subtle temperature curve differences between the FSC model and standard cosmology. These changes become more pronounced in the early universe. Recent observational studies of the early universe, particularly with respect to the “cosmic dawn” epoch, the first stars and first galaxies, have surprised standard model proponents as to how soon these events have occurred following the Big Bang. This paper suggests that, because the FSC model temperature/time curve is lower at each stage of cosmic time, FSC may actually be a better fit for the timing of these events. 展开更多
关键词 COSMOLOGY Theory General RELATIVITY CMB TEMPERATURE COSMIC FLATNESS Black Holes Universal TEMPERATURE
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The Correlation of Miller Indices with the Conductivity Mechanism of Cu-Based High-Tc Superconductor
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作者 Israa Maher Emad K. Al-Shakarchi 《Journal of Modern Physics》 2017年第8期1143-1151,共9页
The high temperature superconductor of CuBa2Ca2Cu3O8+&delta;(Cu-1223) was synthesized experimentally by solid-state reaction. There were many pa-rameters affecting the preparation technique such as oxygen flow, si... The high temperature superconductor of CuBa2Ca2Cu3O8+&delta;(Cu-1223) was synthesized experimentally by solid-state reaction. There were many pa-rameters affecting the preparation technique such as oxygen flow, sintering temperature, sintering time, and compacted pressure. The XRD-pattern exhibited a tetragonal phase for both Cu-1223, and Cu-1212. The resistivity measurement was considered the important experiment to show the predominant phase of superconductor if it was a high phase or low phase. The critical temperature (Tc) was about (128 K) for the high phase of Cu-1223, whereas the low phase of (Cu-1212) appeared at (Tc = 64 K). The correlation between the Miller indices and resistivity measurements was a good tool to predicate the expected mechanism of conductivity within the unit cell. It was clear that the arrangement of these planes was aligned in the a-c direction. That should make the motion of the charge to be simpler by a stepping plane toward c-axis. 展开更多
关键词 SOLID-STATE Reaction HIGH-TC SUPERCONDUCTOR RESISTIVITY Measurement XRD-Pattern SEM Analysis
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Accurate Electronic, Transport, and Bulk Properties of Zinc Blende Gallium Arsenide (Zb-GaAs)
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作者 Yacouba Issa Diakite Sibiri D. Traore +3 位作者 Yuriy Malozovsky Bethuel Khamala Lashounda Franklin Diola Bagayoko 《Journal of Modern Physics》 2017年第4期531-546,共16页
We report accurate, calculated electronic, transport, and bulk properties of zinc blende gallium arsenide (GaAs). Our ab-initio, non-relativistic, self-con-sistent calculations employed a local density approximation (... We report accurate, calculated electronic, transport, and bulk properties of zinc blende gallium arsenide (GaAs). Our ab-initio, non-relativistic, self-con-sistent calculations employed a local density approximation (LDA) potential and the linear combination of atomic orbital (LCAO) formalism. We strictly followed the Bagayoko, Zhao, and William (BZW) method, as enhanced by Ekuma and Franklin (BZW-EF). Our calculated, direct band gap of 1.429 eV, at an experimental lattice constant of 5.65325 &Aring;, is in excellent agreement with the experimental values. The calculated, total density of states data reproduced several experimentally determined peaks. We have predicted an equilibrium lattice constant, a bulk modulus, and a low temperature band gap of 5.632 &Aring;, 75.49 GPa, and 1.520 eV, respectively. The latter two are in excellent agreement with corresponding, experimental values of 75.5 GPa (74.7 GPa) and 1.519 eV, respectively. This work underscores the capability of the local density approximation (LDA) to describe and to predict accurately properties of semiconductors, provided the calculations adhere to the conditions of validity of DFT. 展开更多
关键词 Density Functional Theory BZW-EF Method ELECTRONIC Properties BAND Gap Predictions GALLIUM ARSENIDE
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The Hubble Field vs Dark Energy, Part II: The Lagrange-Hamilton Equation and Some Concepts on Force, Energy and Tensors in the Hubble Field
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作者 Lartigue G. Juan 《Journal of Modern Physics》 2017年第13期2159-2166,共8页
In a recent article [1] the author of this Part II proposed the parameter ΓH for the acceleration expansion of the Universe, instead of dark energy, defining such parameter as ΓH=H2&sdot;r(M/S2) = a constant. A ... In a recent article [1] the author of this Part II proposed the parameter ΓH for the acceleration expansion of the Universe, instead of dark energy, defining such parameter as ΓH=H2&sdot;r(M/S2) = a constant. A question about the expansive and constant acceleration of the internal levels of the Universe could be solved by equation ((3.10) ref. [1]) of the same article: Any assumed internal distance, lower than r of (ref. [2]) implies a proportional change in the squared Hubble parameter, so maintaining the constancy of the ΓH value for every stratum of the Universe. In the present work it is proved the constancy of the Hubble force by means of its generalized coordinates. As well, an equation to relate the Lagrange and the Hamilton functions is obtained for the Hubble field. Two concepts for both Hubble’s energy and tensor are also proposed. Finally, prior misprints of Part I, ref. [1], are corrected in the Appendix. 展开更多
关键词 HUBBLE Law HUBBLE FORCE Generalized COORDINATES
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NO<sub>2</sub>Excited State Properties Revisited: An Effect of Extra Compactified Dimensions
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作者 Hans-Georg Weber 《Journal of Modern Physics》 2017年第11期1749-1761,共13页
Experiments on NO2 reveal a substructure underlying the optically excited isolated hyperfine structure (hfs) levels of the molecule. This substructure is seen in a change of the symmetry of the excited molecule and is... Experiments on NO2 reveal a substructure underlying the optically excited isolated hyperfine structure (hfs) levels of the molecule. This substructure is seen in a change of the symmetry of the excited molecule and is represented by the two “states” and of a hfs-level. Optical excitation induces a transition from the ground state of the molecule to the excited state . However, the molecule evolves from to in a time τ0 ≈ 3 μs. Both and have the radiative lifetime τR ≈ 40 μs, but and differ in the degree of polarization of the fluorescence light. Zeeman coherence in the magnetic sublevels is conserved in the transition &rarr;, and optical coherence of and is able to affect (inversion effect) the transition &rarr;. This substructure, which is not caused by collisions with baryonic matter or by intramolecular dynamics in the molecule, contradicts our knowledge on an isolated hfs-level. We describe the experimental results using the assumption of extra dimensions with a compactification space of the size of the molecule, in which dark matter affects the nuclei by gravity. In , all nuclei of NO2 are confined in a single compactification space, and in , the two O nuclei of NO2 are in two different compactification spaces. Whereas and represent stable configurations of the nuclei,represents an unstable configuration because the vibrational motion in shifts one of the two O nuclei periodically off the common compactification space, enabling dark matter interaction to stimulate the transition &rarr;with the rate (τ0)&minus;1. We revisit experimental results, which were not understood before, and we give a consistent description of these results based on the above assumption. 展开更多
关键词 EXTRA DIMENSIONS COMPACTIFICATION Space DARK Matter Molecular Physics
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A New Charged Anisotropic Compact Star Model in General Relativity
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作者 Ritu Tamta Pratibha Fuloria 《Journal of Modern Physics》 2017年第11期1762-1778,共17页
In the present article, we explore a new static, spherically symmetric charged anisotropic fluid model of compact star in curvature coordinates. We consider metric potential g44 of Durgapal’s fifth solution [1] with ... In the present article, we explore a new static, spherically symmetric charged anisotropic fluid model of compact star in curvature coordinates. We consider metric potential g44 of Durgapal’s fifth solution [1] with a specific choice of electric field intensity E and physically acceptable expression of anisotropy factor &Delta;, which involve parameters K (charge) and &Delta;(anisotropy) respectively. The solution so obtained is utilized to construct the model for superdense star like neutron star. We have analysed that corresponding to X=0.1, K=2.8, a=1.6 and by assuming surface density , the mass of the compact star comes out to be with radius 14.51 kms, which closely resembles to that of PSRJ0348 + 0432. The solution is well behaved for the values of K satisfying ?1&le;K【5. Our model is described analytically as well as with the help of graphical representations. Our solution is well behaved and free from any central singularity. It also satisfies all the energy conditions as well as the causality condition thus reconfirming the stability of our model. 展开更多
关键词 General RELATIVITY NEUTRON Star ANISOTROPY EXACT Solutions
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