English

Notes on islands in asymptotically flat 2d dilaton black holes

High Energy Physics - Theory 2020-08-26 v2

Abstract

We study the islands and the Page curve in the 1+1-dimensional eternal dilaton black hole models. Without islands, the entanglement entropy of the radiation grows linearly at late time. However with an island, its growth stops at the value of almost twice of the black hole entropy. Therefore an island emerges at the late time, and the entanglement entropy of the radiation shows the Page curve.

Keywords

Cite

@article{arxiv.2004.01601,
  title  = {Notes on islands in asymptotically flat 2d dilaton black holes},
  author = {Takanori Anegawa and Norihiro Iizuka},
  journal= {arXiv preprint arXiv:2004.01601},
  year   = {2020}
}

Comments

15 pages, 3 figures. v2: name of the black hole corrected. physics unchanged. references added

R2 v1 2026-06-23T14:38:24.876Z