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Quantum coherence of fermionic systems in noninertial frames beyond the single-mode approximation

  • 01-10-2018
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Abstract

In this paper, we investigate the behavior of the quantum coherence for bipartite fermionic systems in noninertial frames beyond the single-mode approximation. It is shown a redistribution of coherence between particle and antiparticle modes, and the behavior in terms of coherence for fermionic systems is convergent in the infinite acceleration limit. We demonstrate that the physical accessible coherence is not always destroyed with the increase in acceleration, which is different from the features of entanglement in the accelerated frame. Besides, we obtain a quantitative relationship about the redistribution of coherence via the \(l_1\)-norm measure. It is worth mentioning that a rotation operation can change the coherence values, since the amount of coherence is related to the selection of reference basis.

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Title
Quantum coherence of fermionic systems in noninertial frames beyond the single-mode approximation
Authors
Zhi-Yong Ding
Cheng-Cheng Liu
Wen-Yang Sun
Juan He
Liu Ye
Publication date
01-10-2018
Publisher
Springer US
Published in
Quantum Information Processing / Issue 10/2018
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-018-2043-2
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