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Extended RPA with ground-state correlations
被引：0
作者：
M. Tohyama
S. Takahara
P. Schuck
机构：
[1] Kyorin University School of Medicine,Institut de Physique Nucléaire
[2] IN2P3-CNRS,undefined
[3] Université Paris-Sud,undefined
来源：
The European Physical Journal A - Hadrons and Nuclei
|
2004年
/
21卷
关键词：
Density Matrix;
Small Amplitude;
Matrix Theory;
Amplitude Limit;
Correlate Ground State;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose a time-independent method for finding a correlated ground state of an extended time-dependent Hartree-Fock theory, known as the time-dependent density matrix theory (TDDM). The correlated ground state is used to formulate the small amplitude limit of TDDM (STDDM) which is a version of extended RPA theories with ground-state correlations. To demonstrate the feasibility of the method, we calculate the ground state of 22O and study the first 2 + state and its two-phonon states using STDDM.
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页码：217 / 225
页数：8
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