期刊
PHYSICAL REVIEW A
卷 82, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.82.032324
关键词
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资金
- Construct Program of the National Key Discipline
- PCSIRT [IRT0964]
- Hunan Provincial Natural Science Foundation of China [08JJ3010]
- National Basic Research of China [2010CB833004]
- National Natural Science Foundation of China [10935013, 10875040]
Quantum decoherence, which appears when a system interacts with its environment in an irreversible way, plays a fundamental role in the description of quantum-to-classical transitions and has been successfully applied in some important experiments. Here, we study the decoherence in noninertial frames. It is shown that the decoherence and loss of the entanglement generated by the Unruh effect will influence each other remarkably. It is interesting to note that, in the case of the total system under decoherence, the sudden death of entanglement may appear for any acceleration. However, in the case of only Rob's qubit undergoing decoherence, sudden death may only occur when the acceleration parameter is greater than a critical point.
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