On the simulation of extended TDHF theory

被引：18
|
作者：
Lacroix, D
Chomaz, P
Ayik, S
机构：
[1] GANIL, F-14021 Caen, France
[2] Tennessee Technol Univ, Cookeville, TN 38505 USA
来源：
NUCLEAR PHYSICS A | 1999年 / 651卷 / 04期
关键词：
extended TDHF; one-body transport theory;
D O I：
10.1016/S0375-9474(99)00136-0
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
A novel method is presented for implementation of the extended mean-field theory incorporating two-body collisions. At a given time, stochastic imaginary time propagation of occupied states is used to generate a convenient basis. The quantal collision terms, including memory effects, are then computed by a backward mean-field propagation of these single-particle states. The method is illustrated in an exactly solvable model. Whereas the usual TDHF fails to reproduce the long time evolution, a good agreement is found between the extended TDHF and the exact solution. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：369 / 378
页数：10
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