Finite-dimensional pair coherent state engendered via the nonlinear Bose operator realization and its Wigner phase-space distributions

doi:10.1088/1674-1056/ab4f5f

Abstract We theoretically analyze the photon number distribution, entanglement entropy, and Wigner phase-space distribution, considering the finite-dimensional pair coherent state (FDPCS) generated in the nonlinear Bose operator realization. Our results show that the photon number distribution is governed by the two-mode photon number sum q of the FDPCS, the entanglement of the FDPCS always increases quickly at first and then decreases slowly for any q, and the nonclassicality of the FDPCS for odd q is more stronger than that for even q.

Keywords: finite-dimensional pair coherent state entangled state

Received: 22 September 2019
Revised: 11 October 2019
Accepted manuscript online:

PACS:	42.50.-p	(Quantum optics)
	05.30.-d	(Quantum statistical mechanics)
	03.65.-w	(Quantum mechanics)

Corresponding Authors: Jianming Liu, Xiangguo Meng
E-mail: sdwfljm@126.com;mengxiangguo1978@sina.com

Cite this article:

Jianming Liu(刘建明), Xiangguo Meng(孟祥国) Finite-dimensional pair coherent state engendered via the nonlinear Bose operator realization and its Wigner phase-space distributions 2019 Chin. Phys. B 28 124206

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Finite-dimensional pair coherent state engendered via the nonlinear Bose operator realization and its Wigner phase-space distributions

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