Physics – Quantum Physics
Scientific paper
2006-08-28
J.Phys.A40:9025-9032,2007
Physics
Quantum Physics
more explanatory material added in the introduction, version to appear in Journal of Physics A
Scientific paper
10.1088/1751-8113/40/30/024
Recently relativistic quantum information has received considerable attention due to its theoretical importance and practical application. Especially, quantum entanglement in non-inertial reference frames has been studied for scalar and Dirac fields. As a further step along this line, we here shall investigate quantum entanglement of electromagnetic fields in non-inertial reference frames. In particular, the entanglement of photon helicity entangled state is extensively analyzed. Interestingly, the resultant logarithmic negativity and mutual information remain the same as those for inertial reference frames, which is completely different from that previously obtained for the particle number entangled state.
He Song
Ling Yi
Qiu Weigang
Zhang Hongbao
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