Geometric phases for generalized squeezed coherent states

Details Geometric phases for generalized squeezed coherent states Geometric phases for generalized squeezed coherent states

1999-05-31

arxiv.org/abs/quant-ph/9905101v1

Phys.Rev.A55:869-875,1997

Physics

Quantum Physics

15 pages

Scientific paper

10.1103/PhysRevA.55.869

A simple technique is used to obtain a general formula for the Berry phase (and the corresponding Hannay angle) for an arbitrary Hamiltonian with an equally-spaced spectrum and appropriate ladder operators connecting the eigenstates. The formalism is first applied to a general deformation of the oscillator involving both squeezing and displacement. Earlier results are shown to emerge as special cases. The analysis is then extended to multiphoton squeezed coherent states and the corresponding anholonomies deduced.

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