Damping in a Squeezed Bath and Its Time Evolution through the Complete Class of Gaussian Quasi-Distributions

doi:10.1088/0256-307X/31/7/070303

Chin. Phys. Lett.

2014, Vol. 31

Issue (07): 070303 DOI: 10.1088/0256-307X/31/7/070303

GENERAL

Damping in a Squeezed Bath and Its Time Evolution through the Complete Class of Gaussian Quasi-Distributions

Mohammad Reza Bazrafkan^**, Seyed Mahmoud Ashrafi, Fahimeh Naghdi

Physics Department, Faculty of Science, Imam Khomeini International University, Qazvin, Iran

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Mohammad Reza Bazrafkan, Seyed Mahmoud Ashrafi, Fahimeh Naghdi 2014 Chin. Phys. Lett. 31 070303

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Abstract By virtue of the thermo-entangled states representation of the density operator and using the dissipative interaction picture, we solve the master equation of a driven damped harmonic oscillator in a squeezed bath. We show that the essential part of the dynamics can be expressed by the convolution of the initial Wigner function with a special kind of normalized Gaussian in the phase space and relate the dynamics with the change of Gaussian ordering of the density operator.

Published: 30 June 2014

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

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https://cpl.iphy.ac.cn/10.1088/0256-307X/31/7/070303 OR https://cpl.iphy.ac.cn/Y2014/V31/I07/070303

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	Mohammad Reza Bazrafkan
	Seyed Mahmoud Ashrafi
	Fahimeh Naghdi

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