@article{01H042JAWGH8JVFAH4JQ6FCVGB,
  abstract     = {{In this work, we revisit the problem of finding entanglement islands in 2d Jackiw-Teitelboim (JT) gravity. We implement the following adjustments to the traditional setup: (1) we do not explicitly couple to a non-gravitating system, instead we implement only pure absorption into a fiducial detector, (2) we utilise the operationally defined renormalised matter entanglement entropy, as defined by the boundary observer's wordline. We show that this leads to a unitary Page curve that we explicitly compute, with an island outside of the event horizon. Next, we extend the analysis to a charged and/or supersymmetric black hole. We find that in a certain regime the charged black hole grows first as it emits superradiation before eventually dissipating. We obtain similar results when embedding the system in a supersymmetric setting.
}},
  articleno    = {{27}},
  author       = {{De Vuyst, Julian and Mertens, Thomas}},
  issn         = {{1029-8479}},
  journal      = {{JOURNAL OF HIGH ENERGY PHYSICS}},
  keywords     = {{2D Gravity,Black Holes,Models of Quantum Gravity,Field Theories in Lower Dimensions,INFORMATION,SPACETIME,ENTROPY}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{56}},
  title        = {{Operational islands and black hole dissipation in JT gravity}},
  url          = {{http://doi.org/10.1007/JHEP01(2023)027}},
  year         = {{2023}},
}

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