Thermal Field Dynamics and Bialgebras

Details Thermal Field Dynamics and Bialgebras Thermal Field Dynamics and Bialgebras

1996-12-12

arxiv.org/abs/hep-th/9612137v1

J.Math.Phys.38:4971-4979,1997

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, AMS-LaTeX

Scientific paper

10.1063/1.531928

In Thermal Field Dynamics, thermal states are obtained from restrictions of vacuum states on a doubled field algebra. It is shown that the suitably doubled Fock representations of the Heisenberg algebra do not need to be introduced by hand but can be canonically handed down from deformations of the extended Heisenberg bialgebra. No artificial redefinitions of fields are necessary to obtain the thermal representations and the case of arbitrary dimension is considered from the beginning. Our results support a possibly fundamental role of bialgebra structures in defining a general framework for Thermal Field Dynamics.

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