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dc.contributor.authorEl Amrousi, Mohamed
dc.contributor.authorEleuch, Hichem
dc.contributor.authorH. A. Hessian
dc.date.accessioned2018-04-12T06:57:47Z
dc.date.available2018-04-12T06:57:47Z
dc.date.issued2017
dc.identifier.urihttps://dspace.adu.ac.ae/handle/1/1257
dc.descriptionMohamed, A. B., Eleuch, H., & Hessian, H. A. (2017). Stationary phase-space information in a qubit interacting non-linearly with a lossy single-mode field in the off-resonant case. Optical and Quantum Electronics, 49(2), 84.en_US
dc.description.abstractAn analytical description of a qubit interacting non-linearly and non-resonantly with a lossy cavity via intensity-dependent coupling has been obtained. With the amplitude cavity damping as a particular type of the thermal amplitude reservoir damping, Wehrl entropy and Wehrl density are used to investigate the dynamics of the loss of both qubit coherence and information. We show that the Q-function Wehrl entropy and its density are very sensitive not only to the amplitude cavity damping and the intensity of the coherent state but also to the frequency detuning. The information of the phase space and the coherence are quickly lost due to the coupling to the environment. When the qubit interacting non-linearly with the lossy cavity, we observe: (1) The mixedness of the atomic state can be decreased by increasing the coupling to the environment. (2) For the offresonance case, if the cavity damping is increased, the information of the mixed evolved state can be protected.en_US
dc.language.isoen_USen_US
dc.publisherSpringeren_US
dc.subjectWehrl entropyen_US
dc.subjectCavity Dampingen_US
dc.subjectIntensity-dependent couplingen_US
dc.titleStationary phase-space information in a qubit interacting non-linearly with a lossy single-mode field in the offresonant caseen_US
dc.typeArticleen_US
dc.identifier.doihttps://doi.org/10.1007/s11082-017-0917-7


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