2000•Journal of Physics A Mathematical and GeneralOpen access

Number-difference-phase coherent state analogue in two-mode Fock space

Hong-Yi Fan, Zhihu Sun

Abstract

We propose a new number-difference-phase coherent state analogue in two-mode Fock space by introducing a new operator . The coherent state analogue is the eigenvector of A and possesses non-orthonormal and overcompleteness properties. It is constructed on certain superposition states in the radius direction.

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Key concepts: Fock space, Coherent states in mathematical physics, Coherent states, Superposition principle, Fock state, Orthonormal basis, State (computer science), Mode (computer interface)