Entanglement entropy across a deformed sphere

@article{Mezei2015EntanglementEA,
  title={Entanglement entropy across a deformed sphere},
  author={M. Mezei},
  journal={Physical Review D},
  year={2015},
  volume={91},
  pages={045038}
}
  • M. Mezei
  • Published 2015
  • Physics
  • Physical Review D
  • I study the entanglement entropy (EE) across a deformed sphere in conformal field theories (CFTs). I show that the sphere (locally) minimizes the universal term in EE among all shapes. In arXiv:1407.7249 it was derived that the sphere is a local extremum, by showing that the contribution linear in the deformation parameter is absent. In this paper I demonstrate that the quadratic contribution is positive and is controlled by the coefficient of the stress tensor two point function, $C_T$. Such a… CONTINUE READING
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