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On the simulation of extended TDHF theory

โœ Scribed by Denis Lacroix; Philippe Chomaz; Sakir Ayik

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
495 KB
Volume
651
Category
Article
ISSN
0375-9474

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โœฆ Synopsis

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.

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