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Paper   IPM / Particles / 16165
School of Particles and Accelerator
  Title:   Island in the Presence of Higher Derivative Terms
  Author(s): 
1.  Mohsen Alishahiha
2.  Amin Faraji
3.  Ali Naseh
  Status:   Published
  Journal: JHEP
  No.:  035
  Vol.:  2102
  Year:  2021
  Supported by:  IPM
  Abstract:
Using extended island formula we compute entanglement entropy of Hawking radiation for black hole solutions of certain gravitational models containing higher derivative terms. To be concrete we consider two different four dimensional models to compute entropy for both asymptotically flat and AdS black holes. One observes that the resultant entropy follows the Page curve, thanks to the contribution of the island, despite the fact that the corresponding gravitational models might be non-unitary.


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