Local Thermal Equilibrium States in Relativistic Quantum Field Theory

Michael Gransee ()
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Michael Gransee: Max Planck Institut für Mathematik in den Naturwissenschaften

A chapter in Quantum Mathematical Physics, 2016, pp 101-117 from Springer

Abstract: Abstract It is well-known that thermal equilibrium states in quantum statistical mechanics and quantum field theory can be described in a mathematically rigorous manner by means of the so-called Kubo-Martin-Schwinger (KMS) condition, which is based on certain analyticity and periodicity properties of correlation functions. On the other hand, the characterization of non-equilibrium states which only locally have thermal properties still constitutes a challenge in quantum field theory. We discuss a recent proposal for characterization of such states by a generalized KMS condition. The connection of this proposal to a proposal by D. Buchholz, I. Ojima and H.-J. Roos for characterizing local thermal equilibrium states in quantum field theory is discussed.

Keywords: Thermal quantum field theory; Local thermal equilibrium; Quantum statistical mechanics (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-26902-3_6

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DOI: 10.1007/978-3-319-26902-3_6

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