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Interaction between Fermions via Mass less Bosons and Massive Particles
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作者 voicu dolocan voicu Octavian dolocan Andrei dolocan 《Journal of Physical Science and Application》 2013年第5期332-340,共9页
By using a Hamiltonian based on the coupling through flux lines, we have calculated the interaction energy between two fermions via mass less bosons as well as via massive particles. In the case of interaction via mas... By using a Hamiltonian based on the coupling through flux lines, we have calculated the interaction energy between two fermions via mass less bosons as well as via massive particles. In the case of interaction via mass less bosons we obtain an equivalent expression for the Coulomb's energy on the form cthc/r, where a is the fine structure constant. In the case of the interaction via massive particles we obtain that the interaction energy contains a term building the potential well. Also, we take into account the spin-spin interaction of the nucleons and we show that this interaction modulates the interaction potential through a cosine factor. The obtained results are in a good agreement with experimental data, for example, of deuteron. We have determined the radial functions for the deuteron. 展开更多
关键词 Particle interactions one pion exchange deuteron.
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Effect of the Spin-Spin Interaction on the Coulomb’s Law: Application to Ferromagnetism
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作者 voicu dolocan voicu Octavian dolocan 《World Journal of Condensed Matter Physics》 2012年第3期117-123,共7页
In this work we present a model for the determination of the interaction energy for triplet and singlet states in atoms with incomplete filled shells. Our model includes the modification of the Coulomb’s law by the i... In this work we present a model for the determination of the interaction energy for triplet and singlet states in atoms with incomplete filled shells. Our model includes the modification of the Coulomb’s law by the interaction between the magnetic moments of the electrons. We find that the energy of the triplet state is lower than the energy of the singlet state. We calculate the interaction energy between the electrons from the adjacent atoms in fcc lattices and we find that the minimum interaction energy is attained for the triplet state. The result is presented for the interaction between the electrons of the first coordination group and those of the second coordination group. The interaction energy which aligns the spins is used to evaluate the Curie temperature in a mean field model. 展开更多
关键词 Spin-Spin Interaction MAGNETIC MOMENT FERROMAGNETISM
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