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Entangling moving cavities in non-inertial frames

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arxiv 1007.4035 v2 pith:KELQKQUB submitted 2010-07-23 quant-ph gr-qc

Entangling moving cavities in non-inertial frames

classification quant-ph gr-qc
keywords quantumcavitiesentanglementfieldinformationmovingaccelerationalways
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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An open question in the field of relativistic quantum information is how parties in arbitrary motion may distribute and store quantum entanglement. We propose a scheme for storing quantum information in the field modes of cavities moving in flat space-time and analyze it in a quantum field theoretical framework. In contrast to previous work that found entanglement degradation between observers moving with uniform acceleration, we find the quantum information in such systems is protected. We further discuss a method for establishing the entanglement in the first place and show that in principle it is always possible to produce maximally entangled states between the cavities.

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