Derivation of the fluctuation-dissipation theorem from unitarity
High Energy Physics - Theory
2015-09-28 v2 Statistical Mechanics
Mathematical Physics
math.MP
Abstract
Using the closed time path formalism in thermal field theory, we give a derivation of the fluctuation-dissipation theorem which is based on the unitarity of the -matrix.
Keywords
Cite
@article{arxiv.1502.06115,
title = {Derivation of the fluctuation-dissipation theorem from unitarity},
author = {Ashok K. Das and J. Frenkel},
journal= {arXiv preprint arXiv:1502.06115},
year = {2015}
}
Comments
4 pages, 2 figures