Eur. Phys. J. C (2020) 80: 418
https://doi.org/10.1140/epjc/s10052-020-7947-1

Regular Article - Theoretical Physics

Unitary toy qubit transport model for black hole evaporation

Department of Theoretical Physics, Faculty of Physics and Applied Informatics, University of Łódź, Pomorska 149/153, 90-236, Lodz, Poland

^* e-mail: boguslaw.broda@uni.lodz.pl

Received: 5 December 2019
Accepted: 19 April 2020
Published online: 13 May 2020

Abstract

In a recent paper Osuga and Page have presented an explicitly unitary toy qubit transport model for transferring information from a black hole to the outgoing radiation. Following their idea we propose a unitary toy model which involves (fermionic) Hawking states.