Entangling moving cavities in non-inertial frames

Details Entangling moving cavities in non-inertial frames Entangling moving cavities in non-inertial frames

2010-07-23

arxiv.org/abs/1007.4035v2

Phys. Rev. Lett. 106:210502,2011

Physics

Quantum Physics

Minor changes. Journal reference added

Scientific paper

10.1103/PhysRevLett.106.210502

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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