Physics – Quantum Physics
Scientific paper
1998-02-18
J.Phys.A31:4329-4336,1998
Physics
Quantum Physics
To appear in J. Phys. A: Mathematics and General
Scientific paper
10.1088/0305-4470/31/18/020
In a recent paper [Nieto M M 1996 Quantum and Semiclassical Optics, 8 1061; quant-ph/9605032], the one dimensional squeezed and harmonic oscillator time-displacement operators were reordered in coordinate-momentum space. In this paper, we give a general approach for reordering multi-dimensional exponential quadratic operator(EQO) in coordinate-momentum space. An explicit computational formula is provided and applied to the single mode and double-mode EQO through the squeezed operator and the time displacement operator of the harmonic oscillator.
Kwek Leong Chuan
Oh Chang-Heon
Wang Xiang-Bin
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