Canonical formalism of dissipative fields in thermo field dynamics | Zendy

Toshihico Arimitsu | Zendy; H. Umezawa | Zendy; Y. Yamanaka | Zendy

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Canonical formalism of dissipative fields in thermo field dynamics

Author(s) -

Toshihico Arimitsu,

H. Umezawa,

Y. Yamanaka

Publication year - 1987

Publication title -

journal of mathematical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.708

H-Index - 119

eISSN - 1089-7658

pISSN - 0022-2488

DOI - 10.1063/1.527722

Subject(s) - dissipative system , dissipation , formalism (music) , observable , renormalization , physics , classical mechanics , statistical physics , quantum mechanics , art , musical , visual arts

For the stationary case the canonical formalism of thermally dissipative fields with both positive- and negative-frequency parts is constructed. This formulation enables one to follow the self-consistent renormalization scheme which creates the dissipation spontaneously. The self-interacting [cursive phi]3 model is examined as an example of the spontaneous creation of dissipation. The parameter alpha appearing in the thermal state conditions as well as observables independent of the choice of alpha are discussed

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