Keränen, Ville; Nishimura, Hiromichi; Stricker, Stefan; Taanila, Olli; Vuorinen, Aleksi: Gravitational collapse of thin shells: time evolution of the holographic entanglement entropy. In: Journal of High Energy Physics. Jg.2015 H. 6. 2015

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Introduction
Details of the calculation

Setup and shell dynamics
The junction conditions

Properties of the shell motion

Simple example: c=-1/3
Generic EoS: -1<c<1/3
Generic EoS: c >= 1/3

Entanglement entropy

Strip boundary region

Early time behavior
Linear scaling

Linear scaling for general shapes

Comparison with common approximation schemes
Conclusions
Equation of motion for the shell
Determining the metric in the continuous coordinate system
Generalized junction conditions
Spherical boundary region

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