Cumulant expansions and the spin-boson problem

被引：31

作者：

Reichman, DR

Brown, FLH

Neu, P

机构：

[1] Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MD

来源：

PHYSICAL REVIEW E | 1997年 / 55卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.55.2328

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The dynamics of the dissipative two-level system at zero temperature is studied using three different cumulant expansion techniques. The relative merits and drawbacks of each technique are discussed. It is found that the noncrossing cumulant expansion technique appears to embody the virtues of the more standard cumulant methods.

引用

页码：2328 / 2337

页数：10

共 46 条

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