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Motivated by recent experiments, we consider a Schr\"{o}dinger catsuperposition of two widely separated coherent states in thermal equilibrium.The time development of our system is obtained using Wigner distributionfunctions. In contrast to our discussion for a two-Gaussian wave packet [Phys.Lett. A 286 (2001) 87], we find that, in the absence of dissipation, theinterference term does not decay rapidly in time, but in common with the othertwo terms, it oscillates in time and persists for all timesComment: Proc. of Wigner Centennial Conferenc

Wigner Distribution Function Analysis of a Schrödinger Cat Superposition of Displaced Equilibrium Coherent States