Quantum correlations and coherence in a moving Unruh–deWitt detector

S. Bhuvaneswari, R. Muthuganesan and R. Radha

Physica A: Statistical Mechanics and its Applications, 2022, vol. 604, issue C

Abstract: In this paper, we investigate the quantum correlations and coherence of two accelerating Unruh–deWitt detectors coupled to a scalar field in 3+1 Minkowski space–time. We show that the entanglement is completely destroyed in the limit of infinite acceleration while the local quantum uncertainty and l1-norm of coherence remain nonzero. In addition, we also highlight the role of Unruh temperature and energy spacing of detectors on quantum correlations for different choices of initial states.

Keywords: Quantum correlation; Coherence; Unruh–deWitt detector; Uncertainty (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:604:y:2022:i:c:s0378437122005945

DOI: 10.1016/j.physa.2022.127934

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