150 citations · 1.6k across the 43 of their papers we have counts for
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hep-th2016★ 63 cited
Schwinger-Keldysh formalism II: Thermal equivariant cohomology
Felix M. Haehl, R. Loganayagam, Mukund Rangamani
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…
hep-th2016★ 128 cited
Schwinger-Keldysh formalism I: BRST symmetries and superspace
Felix M. Haehl, R. Loganayagam, Mukund Rangamani
We review the Schwinger-Keldysh, or in-in, formalism for studying quantum dynamics of systems out-of-equilibrium. The main motivation is to rephrase well known facts in the subject…