Entanglement of Dirac fields in an expanding spacetime

Details Entanglement of Dirac fields in an expanding spacetime Entanglement of Dirac fields in an expanding spacetime

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aps..marw33001f&link_type=abstract

American Physical Society, APS March Meeting 2010, March 15-19,2010, abstract #W33.001

Physics

Scientific paper

We study the entanglement generated between Dirac field modes in a d-dimensional Robertson-Walker expanding universe. In the two-dimensional case, we compare the bosonic and fermionic entanglement generated by the expansion of the Universe. We find qualitative differences, in particular, we show that the entanglement generated between fermionic field modes is considerably lower than the bosonic case. This result, together with previous investigations on entanglement in non-inertial frames, suggest that entanglement between fermionic modes is less affected by the underlying space-time.

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