Relation between Density-Matrix Theory and Pairing Theory(Nuclear Physics)
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概要
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The time-dependent density-matrix theory (TDDM) gives a correlated ground state as a stationary solution of the time-dependent equations for one-body and two-body density matrices. The small amplitude limit of TDDM (STDDM) is a version of extended RPA theories which include the effects of ground state correlations. It is shown that the solutions of the Hartree-Fock Bogoliubov theory and the quasi-particle RPA satisfy the TDDM and STDDM equations, respectively, when only pairing-type correlations are taken into account in TDDM and STDDM.
- 理論物理学刊行会の論文
- 2004-09-25
著者
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TOHYAMA Mitsuru
Kyorin University School of Medicine
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Takahara Satoshi
Kyorin University School Of Medicine
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Tohyama Mitsuru
Kyorin Univ. School Of Medicine Mitaka Jpn
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TOHYAMA Mitsuru
Kyorin University School of Medicine : Cyclotron Laboratory,The Institute of Physical and Chemical Research(RIKEN)
関連論文
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- Time dependent density matrix theory and giant resonances (原子核動力学における散逸と減衰)
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- Stationary Solution of a Time Dependent Density Matrix Formalism
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- Quadrupole Excitation of Tin Isotopes in Extended Random-Phase Approximation
- Comparison of Density-Matrix Theory and Pairing Theory(Nuclear Physics)
- Magnetization and Collective Excitations of a Magnetic Dipole Fermion Gas
- Double Giant Quadrupole Resonance in Time-Dependent Density-Matrix Theory
- Scissors Mode of Trapped Dipolar Gases
- Quantum Study of a Trapped Dipolar Fermi Gas