Schwinger-Keldysh formalism. Part II: thermal equivariant cohomology

Schwinger-Keldysh formalism. Part II: thermal equivariant cohomology

Abstract Causally ordered correlation functions of local operators in near-thermal quantum systems computed using the Schwinger-Keldysh formalism obey a set of Ward identities. These can be understood rather simply as the consequence of a topological (BRST) algebra, called the universal Schwinger-Ke...

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Bibliographic Details
Main Authors: Felix M. Haehl, R. Loganayagam, Mukund Rangamani
Format: Article
Language:English
Published: SpringerOpen 2017-06-01
Series:Journal of High Energy Physics
Subjects:
Stochastic Processes
Thermal Field Theory
Topological Field Theories
Online Access:http://link.springer.com/article/10.1007/JHEP06(2017)070

Internet

http://link.springer.com/article/10.1007/JHEP06(2017)070

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