Entanglement in anisotropic expanding spacetime

@article{Pierini2019EntanglementIA,
  title={Entanglement in anisotropic expanding spacetime},
  author={R. Pierini and S. Moradi and S. Mancini},
  journal={The European Physical Journal D},
  year={2019},
  volume={73},
  pages={1-11}
}
  • R. Pierini, S. Moradi, S. Mancini
  • Published 2019
  • Physics
  • The European Physical Journal D
  • Abstract We study the effect of space anisotropy in the entanglement generated by expanding universe on spin 0 and 1/2 fields. For massive scalar field we find revivals of entanglement entropy vs. momentum after decreasing from the maximum at k = 0. In massive Dirac field the effect is a slight distortion of the non-monotonic profile giving rise to the maximum of entanglement entropy at k > 0. More interestingly, massless field of both type show that can only get entangled through anisotropy… CONTINUE READING

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