Long-lived mesoscopic entanglement between two damped infinite harmonic chains

J. Surace, F. Benatti, F. Carollo, R. Floreanini

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1 Citation (Scopus)
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Abstract


Abstract We consider two chains, each made of N independent oscillators, immersed in a common thermal bath and study the dynamics of their mutual quantum correlations in the thermodynamic, large-N limit. We show that dissipation and noise due to the presence of the external environment are able to generate collective quantum correlations between the two chains at the mesoscopic level. The created collective quantum entanglement between the two many-body systems turns out to be rather robust, surviving for asymptotically long times even for non vanishing bath temperatures.
Original languageEnglish
Number of pages32
JournalJournal of Statistical Physics
Early online date9 Jun 2017
DOIs
Publication statusE-pub ahead of print - 9 Jun 2017

Keywords

  • entanglement
  • quantum fluctuations
  • open mesoscopic systems
  • N independent oscillators
  • mutual quantum correlations
  • dissipation
  • noise

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