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author:

Ran, Du (Ran, Du.) [1] | Yang, Zhen-Biao (Yang, Zhen-Biao.) [2] (Scholars:杨贞标)

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Scopus SCIE

Abstract:

We address the entanglement transfer from a bipartite continuous-variable(CV) system to a pair of localized discrete systems. The dynamics behavior can be implemented by two two-level atoms flying through spatially separated identical cavities where two quantized modes are injected. We assume each CV mode couples to one atom via the resonant Jaynes-Cummings interaction. The CV systems are initially prepared in a two-mode anti-correlated SU(2) coherent state, while with the initial atomic states of the cases: vertical bar g >(1)vertical bar g >(2), vertical bar e >(1)vertical bar e >(2) and vertical bar g >(1)vertical bar e >(2), respectively. We find that the entanglement transfer for single-photon excitation case is more efficient than that for multi-photon excitation case. Under same conditions, we also note that the entanglement transfer is more efficient for SU(2) coherent state than for twin-bean (TWB) and pair-coherent (TMC) state. Besides, we show that, for a given total photon number of the initial SU(2) coherent state, the efficiency of entanglement transfer depends upon the distribution of photons in the two CV modes. We also consider the influences of the dissipation and the white noise on the entanglement transfer.

Keyword:

Community:

  • [ 1 ] [Yang, Zhen-Biao]Fuzhou Univ, Dept Phys, Fuzhou 350116, Peoples R China

Reprint 's Address:

  • 杨贞标

    [Yang, Zhen-Biao]Fuzhou Univ, Dept Phys, Fuzhou 350116, Peoples R China

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Source :

EUROPEAN PHYSICAL JOURNAL D

ISSN: 1434-6060

Year: 2016

Issue: 4

Volume: 70

1 . 2 8 8

JCR@2016

1 . 5 0 0

JCR@2023

ESI Discipline: PHYSICS;

ESI HC Threshold:186

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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