In this paper, we address the spectra of simple harmonic oscillators based on the generalized uncertainty principle (GUP) with a Kaluza-Klein compactified extra dimension. We show that in this scenario, to make the re...In this paper, we address the spectra of simple harmonic oscillators based on the generalized uncertainty principle (GUP) with a Kaluza-Klein compactified extra dimension. We show that in this scenario, to make the results compatible with experiments, the minimal length scale equals to the radius of compact extra dimension.展开更多
We argue that the Generalized Uncertainty Ptinciple (GUP) and the compact Extra dimensions will lead the hydrogen atom has the non bounded state spectra which equal the free particle in extra dimensions. We use Genera...We argue that the Generalized Uncertainty Ptinciple (GUP) and the compact Extra dimensions will lead the hydrogen atom has the non bounded state spectra which equal the free particle in extra dimensions. We use Generalized Uncertainty Principle (GUP) to calculate the new energy spectra of hydrogen atom, and which lives in three dimensional Euclidean spaces with one extra dimension. The result is not familiar with our known before that En =0 when n is large enough. In our modified new spectra, we obtain that En,ι,0 = (1+2βι2/ρ2) ι2/2mρ2, which is lager than zero. These new spectra give us new method to obtain the existence of extra dimensions. Finally, we find that the spectra are same as part of extra dimensions in planck scale.展开更多
GUP(Good Using Practice) 大家已熟悉医药品生产单位须要遵守GMP,流通部门应按GSP(药品供应管理规范)进行工作。但病人用药也应有一定的规范,随而产生了GUP。就收集到的资料简单介绍如下: 虽有好的处方,但如果病人没有按指定的方法去...GUP(Good Using Practice) 大家已熟悉医药品生产单位须要遵守GMP,流通部门应按GSP(药品供应管理规范)进行工作。但病人用药也应有一定的规范,随而产生了GUP。就收集到的资料简单介绍如下: 虽有好的处方,但如果病人没有按指定的方法去用药。展开更多
电子商务已经成为越来越多的消费者购物的一个重要途径,分析网络购物客户的个人特征及其购物行为,对商业的成功有着至关重要的作用。然而电子商务还是一个崭新的商业领域,很多的业界人士仍忙于技术方面的考虑,却很少分析客户的网络购买...电子商务已经成为越来越多的消费者购物的一个重要途径,分析网络购物客户的个人特征及其购物行为,对商业的成功有着至关重要的作用。然而电子商务还是一个崭新的商业领域,很多的业界人士仍忙于技术方面的考虑,却很少分析客户的网络购买行为。而使用真实网络购物KDD Cup 2000数据,分析Gazelle.com公司客户的个人特征和网络购物行为,并应用数据挖掘的购物篮模型对各商品之间的关联性进行分析,才能更确切地预测模型预测客户的忠诚度。展开更多
作者主要研究了质量为 m、自旋为1/2的狄拉克粒子被束缚在长为 L 的盒子内时，考虑到广义测不准关系和相对论效应的情况下，通过求解狄拉克方程得到其本征值和配分函数。研究发现：其本征值与盒子的长度有关；粒子的自由能受其修正项的...作者主要研究了质量为 m、自旋为1/2的狄拉克粒子被束缚在长为 L 的盒子内时，考虑到广义测不准关系和相对论效应的情况下，通过求解狄拉克方程得到其本征值和配分函数。研究发现：其本征值与盒子的长度有关；粒子的自由能受其修正项的影响。同时，得到了狄拉克谐振子基于广义测不准关系的本征值方程，求得其相应的配分函数、自由能和内能熵，结果发现这些热力学量都受广义不确定度常量的影响。展开更多
We study the two-dimensional harmonic oscillator in commutative and noncommutative space within the framework of minimal length quantum mechanics for spin-l^2 particles. The energy spectra and the eigenfunction are ob...We study the two-dimensional harmonic oscillator in commutative and noncommutative space within the framework of minimal length quantum mechanics for spin-l^2 particles. The energy spectra and the eigenfunction are obtained in both cases. Special cases are also deduced.展开更多
Based on the generalized uncertainty principle （GUP）, the critical temperature and the Helmholtz free energy of Bose Einstein condensation （BEG） in the relativistic ideal Bose gas are investigated. At the non-rela...Based on the generalized uncertainty principle （GUP）, the critical temperature and the Helmholtz free energy of Bose Einstein condensation （BEG） in the relativistic ideal Bose gas are investigated. At the non-relativistic limit and the ultra-relativistic limit, we calculate the analytical form of the shifts of the critical temperature and the Helmholtz free energy caused by weak quantum gravitational effects. The exact numerical results of these shifts are obtained. Quantum gravity effects lift the critical temperature of BEC. By measuring the shift of the critical temperature, we can constrain the deformation parameterβ0. Fhrthermore, at lower densities, omitting quantum gravitational effects may lead to a metastable state while at sufficiently high densities, quantum gravitational effects tend to make BEC unstable. Using the numerical methods, the stable-unstable transition temperature is found.展开更多
The convergence of communication services becomes a focus in the industry along with the requirement for full-service operation and technical development. Service convergence includes two aspects: The convergence of t...The convergence of communication services becomes a focus in the industry along with the requirement for full-service operation and technical development. Service convergence includes two aspects: The convergence of the fixed and mobile networks; and the convergence of traditional communications and Internet services. This requires balancing the conflicts between the openness and operationability of terminal capability and network convergence. Unified authentication and authorization are the basis for service convergence in terms of operationability. Modular network and open terminal are technical solutions for the service convergence.展开更多
文摘In this paper, we address the spectra of simple harmonic oscillators based on the generalized uncertainty principle (GUP) with a Kaluza-Klein compactified extra dimension. We show that in this scenario, to make the results compatible with experiments, the minimal length scale equals to the radius of compact extra dimension.
文摘We argue that the Generalized Uncertainty Ptinciple (GUP) and the compact Extra dimensions will lead the hydrogen atom has the non bounded state spectra which equal the free particle in extra dimensions. We use Generalized Uncertainty Principle (GUP) to calculate the new energy spectra of hydrogen atom, and which lives in three dimensional Euclidean spaces with one extra dimension. The result is not familiar with our known before that En =0 when n is large enough. In our modified new spectra, we obtain that En,ι,0 = (1+2βι2/ρ2) ι2/2mρ2, which is lager than zero. These new spectra give us new method to obtain the existence of extra dimensions. Finally, we find that the spectra are same as part of extra dimensions in planck scale.
文摘电子商务已经成为越来越多的消费者购物的一个重要途径,分析网络购物客户的个人特征及其购物行为,对商业的成功有着至关重要的作用。然而电子商务还是一个崭新的商业领域,很多的业界人士仍忙于技术方面的考虑,却很少分析客户的网络购买行为。而使用真实网络购物KDD Cup 2000数据,分析Gazelle.com公司客户的个人特征和网络购物行为,并应用数据挖掘的购物篮模型对各商品之间的关联性进行分析,才能更确切地预测模型预测客户的忠诚度。
文摘作者主要研究了质量为 m、自旋为1/2的狄拉克粒子被束缚在长为 L 的盒子内时，考虑到广义测不准关系和相对论效应的情况下，通过求解狄拉克方程得到其本征值和配分函数。研究发现：其本征值与盒子的长度有关；粒子的自由能受其修正项的影响。同时，得到了狄拉克谐振子基于广义测不准关系的本征值方程，求得其相应的配分函数、自由能和内能熵，结果发现这些热力学量都受广义不确定度常量的影响。
文摘We study the two-dimensional harmonic oscillator in commutative and noncommutative space within the framework of minimal length quantum mechanics for spin-l^2 particles. The energy spectra and the eigenfunction are obtained in both cases. Special cases are also deduced.
基金Supported by the Fundamental Research Funds for the Central Universities under Grant No ZYGX2009X008the National Natural Science Foundation of China under Grant No 11205125
文摘Based on the generalized uncertainty principle （GUP）, the critical temperature and the Helmholtz free energy of Bose Einstein condensation （BEG） in the relativistic ideal Bose gas are investigated. At the non-relativistic limit and the ultra-relativistic limit, we calculate the analytical form of the shifts of the critical temperature and the Helmholtz free energy caused by weak quantum gravitational effects. The exact numerical results of these shifts are obtained. Quantum gravity effects lift the critical temperature of BEC. By measuring the shift of the critical temperature, we can constrain the deformation parameterβ0. Fhrthermore, at lower densities, omitting quantum gravitational effects may lead to a metastable state while at sufficiently high densities, quantum gravitational effects tend to make BEC unstable. Using the numerical methods, the stable-unstable transition temperature is found.
文摘The convergence of communication services becomes a focus in the industry along with the requirement for full-service operation and technical development. Service convergence includes two aspects: The convergence of the fixed and mobile networks; and the convergence of traditional communications and Internet services. This requires balancing the conflicts between the openness and operationability of terminal capability and network convergence. Unified authentication and authorization are the basis for service convergence in terms of operationability. Modular network and open terminal are technical solutions for the service convergence.
