Entanglement dynamics and decoherence of two-qutrit states under an XY quantum environment

Xiao San Ma and An Min Wang

Physica A: Statistical Mechanics and its Applications, 2009, vol. 388, issue 1, 82-90

Abstract: The time evolution of entanglement and coherence of two-qutrit states under an XY quantum environment which can exhibit a quantum phase transition has been analyzed. From our results, we find that the quantum phase transition can enhance the entanglement decay and coherence loss when the system is weakly coupled to the environment. Furthermore, the effect of the anisotropy parameter and the size of the environment on entanglement dynamics and coherence has also been discussed.

Keywords: An XY quantum environment; Entanglement dynamics; Decoherence (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:388:y:2009:i:1:p:82-90

DOI: 10.1016/j.physa.2008.09.031

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