How Unruh effect affect quantum entanglement 
in non-Markovian environment

J4 ›› 2016, Vol. 33 ›› Issue (6): 704-710.

• Quantum Optics • Previous Articles Next Articles

How Unruh effect affect quantum entanglement in non-Markovian environment

Jiang Linzhi， Ye Liu

School of Physics and Material Science, Anhui University, Hefei 230039, China

Received:2015-07-10 Revised:2016-03-10 Published:2016-11-28 Online:2016-11-28

Abstract

Abstract: Influence of Unruh effect on quantum entanglement of two Dirac particles in non-Markovian environment is investigated. Results show that the sudden death and revival of entanglement occurs only in some special cases. When the detector is in noninertial frame, Unruh effect will has a great influence on the entanglement revival phenomenon. When the acceleration of detector in noninertial system is not more than a “critical point”, the sudden death and revival of entanglement will still occur, while it will not occur when the acceleration is greater than the “critical point”. A reasonable explanation is proposed that Unruh effect will affect the memory effect of non-Markovian environment, and the appearance of quantum entanglement and its growth rate in the environment.

Key words: quantum entanglement; non-Markovian environment; Unruh effect; noninertial frame; memory effect

Jiang Linzhi， Ye Liu. How Unruh effect affect quantum entanglement in non-Markovian environment[J]. J4, 2016, 33(6): 704-710.

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