Supersymmetry in Thermo Field Dynamics

Details Supersymmetry in Thermo Field Dynamics Supersymmetry in Thermo Field Dynamics

2000-06-21

arxiv.org/abs/cond-mat/0006315v1

Phys.Lett. A279 (2001) 17-22

Physics

Condensed Matter

12 pages, Latex file

Scientific paper

10.1016/S0375-9601(00)00805-7

By considering the enlarged thermal system including the heat bath, it is shown that this system has supersymmetry which is not broken at finite temperature. The super algebra is constructed and the Hamiltonian is expressed as the anti-commutator of two kinds of super charges. With this Hamiltonian and the thermal vacuum $\mid 0(\beta)>$, this supersymmetry is found to be preserved.

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