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Article type: Cover
1990 Volume 80 Issue 5 Pages
Cover1-
Published: February 20, 1990
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Article type: Appendix
1990 Volume 80 Issue 5 Pages
App1-
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Article type: Appendix
1990 Volume 80 Issue 5 Pages
E1-
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[in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
E2-E7
Published: February 20, 1990
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[in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
E8-E14
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[in Japanese], [in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
E15-E22
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[in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
E22-E34
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[in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
E35-E41
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[in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
E42-E50
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[in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
E51-E54
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SEIYA NISHIYAMA, HIDEO FUKUTOME
Article type: Article
1990 Volume 80 Issue 5 Pages
E55-E60
Published: February 20, 1990
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We develop a theory of excitations in a Fermion system with large quantum fluctuations that can be described by resonance of time dependent non-orthogonal Hartree-Bogoliubov (HB) wave functions with different correlation structures. First, we will derive a new kind of variation equation called the time dependent Resonating HB equation in order to determine both the time dependent Resonating HB wave functions and coefficients of a superposition of the HB wave functions. Next, we will get a new approximation for excitations from time dependent small fluctuations of the Resonating HB ground state, i.e., the Resonating HB RPA. It gives two kinds of excitations. One is the collective excitations called vibrons due to secular vibrations of orbitals in the Res HB wave function. The Res HB RPA gives many different classes of the vibrons arising from different HB wave functions involved in the ground state. Another kind of excitations arises from secular vibrations of the mixing coefficients of the Res HB wave functions. These new excitations called resonons are shown to correspond to the excited states in the Res HB theory due to the resonance of the HB wave functions. The Res HB RPA gives a unified description of the vibrons and resonons and their Interactions.
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[in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
E61-E65
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[in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
E66-E70
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Hiroki Nakamura
Article type: Article
1990 Volume 80 Issue 5 Pages
E71-E77
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Semiclassical theory of nonadiabatic transition is reviewed briefly. The derivation of the most sophisticated basic two-state transition matrix is presented by using the comparison equation method. Generalization to a multi-level system and the problem of nonadiabatic tunneling are also discussed.
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[in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
207-214
Published: February 20, 1990
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[in Japanese], [in Japanese]
Article type: Article
1990 Volume 80 Issue 5 Pages
215-219
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Article type: Appendix
1990 Volume 80 Issue 5 Pages
220-
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Article type: Appendix
1990 Volume 80 Issue 5 Pages
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Article type: Appendix
1990 Volume 80 Issue 5 Pages
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Article type: Cover
1990 Volume 80 Issue 5 Pages
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Published: February 20, 1990
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Article type: Cover
1990 Volume 80 Issue 5 Pages
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