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Wigner functions of thermo number state, photon subtracted and added thermo vacuum state at finite temperature
Wigner functions thermo number state photon subtracted thermo vacuum finite temperature
2010/4/8
Based on Takahashi-Umezawa thermo field dynamics and the order-invariance of Weyl ordered operators under similar transformations, we present a new approach to deriving the exact Wigner functions of t...