Abstract

By virtue of the squeezing-rotating entangled representation,we mainly establish the new two-mode phase operator and phaseangle operator, which is a general form including the foregoingformalist in two-mode Fock space. In addition, the correspondingphase distribution function is given in the entangled representation.In terms of this definition, we also analyze thephase behavior of some simple two-mode states such as squeezing-rotatingcoherent state, squeezing-rotating vacuum state, and so on. It is foundthat the results exactly agree with the foregoing phasetheory.

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