Entanglement Evolution of a 2-Qutrit System Interacting with a Fermionic Bath |
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| Authors: | MA Xiao-San WANG An-Min YANG Xiao-Dong XU Feng |
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| Institution: | Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | Based on the algebraic entanglement measure proposed G. Vidal et al., Phys. Rev. A 65 (2002) 032314],we study the entanglement evolution of both pure quantum states and mixed ones of 2-qutrit system in a symmetrybroken environment consisting of a fermionic bath. Entanglement of states will decrease or remain constant under the influence of environment, and the class of states which remain unchanged has been found out. |
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| Keywords: | entanglement evolution 2-qutrit state fermionic bath |
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