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Time evolution of Wigner functions governed by bipartite Hamiltonian system with kinetic coupling
entangled Wigner operator Wigner function evolution entangled state representation
2010/6/30
For the bipartite Hamiltonian system with kinetic coupling, we derive time evolution equation of Wigner functions by virtue of the bipartite entangled state representation and entangled Wigner operato...
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...
Generalized Wigner Functions for Damped Systems in Deformation Quantization
Wigner function damped system deformation quantization
2007/8/15
2007Vol.48No.2pp.255-260DOI:
Generalized Wigner Functions for Damped Systems in Deformation Quantization
HENG Tai-Hua and JING Si-Cong
Department of Modern Physics, Univ...