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Gravitational collapse of quantum fields and Choptuik scaling

Berczi, Benjamin; Saffin, Paul M.; Zhou, Shuang-Yong


Benjamin Berczi

Shuang-Yong Zhou


Gravitational collapse into a black hole has been extensively studied with classical sources. We develop a new formalism to simulate quantum fields forming a black hole. By choosing a convenient coherent state, this formalism taps into well-established techniques used for classical collapse and adds on the evolution of the mode functions of the quantum field operator. Divergences are regularized with the cosmological constant and Pauli-Villars fields. Using a massless spherically symmetric scalar field as an example, we demonstrate the effectiveness of the formalism by reproducing some classical results in gravitational collapse, and identifying the difference due to the quantum effects. We also find that Choptuik scaling in critical collapse survives in the semiclassical simulation, and furthermore the quantum deviation from the classical Choptuik scaling decreases when the system approaches the critical point.


Berczi, B., Saffin, P. M., & Zhou, S. (2022). Gravitational collapse of quantum fields and Choptuik scaling. Journal of High Energy Physics, 2022(2), Article 183.

Journal Article Type Article
Acceptance Date Feb 9, 2022
Online Publication Date Feb 22, 2022
Publication Date 2022-02
Deposit Date Feb 10, 2022
Publicly Available Date Feb 10, 2022
Journal Journal of High Energy Physics
Electronic ISSN 1029-8479
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 2022
Issue 2
Article Number 183
Keywords Nuclear and High Energy Physics
Public URL
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