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Grey-body Factors, Irreversibility and Multiple Island Saddles
Timothy J. Hollowood, S. Prem Kumar, Andrea Legramandi +1
We consider the effect of grey-body factors on the entanglement island prescription for computing the entropy of an arbitrary subset of the Hawking radiation of an evaporating blac…
Ephemeral Islands, Plunging Quantum Extremal Surfaces and BCFT channels
Timothy J. Hollowood, S. Prem Kumar, Andrea Legramandi +1
We consider entanglement entropies of finite spatial intervals in Minkowski radiation baths coupled to the eternal black hole in JT gravity, and the related problem involving free…
Islands in the Stream of Hawking Radiation
Timothy J. Hollowood, S. Prem Kumar, Andrea Legramandi +1
We consider the island formula for the entropy of subsets of the Hawking radiation in the adiabatic limit where the evaporation is very slow. We find a simple concrete `on-shell' f…