Then-partite entangled Wigner operator and its applications in Wigner function
Nian-Quan Jiang · Journal of Optics B Quantum and Semiclassical Optics · 2005
For an n -partite entangled system, based on the newly constructed n -partite EPR entangled state for continuous variables, we find the entangled state representation of the n -mode Wigner operator, using it we have conveniently discussed the Wigner function of some entangled states.