Derivation of the fluctuation-dissipation theorem from unitarity

被引：2

作者：

Das, Ashok K. ^{[1
,2
]}

Frenkel, J. ^{[3
]}

机构：

[1] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA

[2] Saha Inst Nucl Phys, Kolkata 700064, W Bengal, India

[3] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo, SP, Brazil

来源：

MODERN PHYSICS LETTERS A | 2015年 / 30卷 / 32期

关键词：

Thermal field theory; unitarity of S-matrix; fluctuation-dissipation theorem;

D O I：

10.1142/S0217732315501631

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using the closed time path formalism in thermal field theory, we give a derivation of the fluctuation-dissipation (FD) theorem which is based on the unitarity of the S-matrix.

引用

页数：7

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