Universität zu Köln

Piechocki, Wlodzimierz ORCID: 0000-0002-0313-5395 and Schmitz, Tim ORCID: 0000-0002-2822-2794 (2020). Quantum Oppenheimer-Snyder model. Phys. Rev. D, 102 (4). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1550-2368

Full text not available from this repository.

Abstract

We construct two reduced quantum theories for the Oppenheimer-Snyder model, respectively taking the point of view of the comoving and the exterior stationary observer, using affine coherent states quantization. Investigations of the quantum corrected dynamics reveal that both observers can see a bounce, although for the exterior observer certain quantization ambiguities have to be chosen correctly. The minimal radius for this bounce as seen from the stationary observer is then shown to always be outside of the photon sphere. Possible avenues to lower this minimal radius and reclaim black holes as an intermediate state in the collapse are discussed. We demonstrate further that switching between the observers at the level of the quantum theories can be achieved by modifying the commutation relations.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Piechocki, Wlodzimierz UNSPECIFIED orcid.org/0000-0002-0313-5395 UNSPECIFIED Schmitz, Tim UNSPECIFIED orcid.org/0000-0002-2822-2794 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-323708
DOI:	10.1103/PhysRevD.102.046004
Journal or Publication Title:	Phys. Rev. D
Volume:	102
Number:	4
Date:	2020
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1550-2368
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language COHERENT STATES; PATH-INTEGRALS; SCHWARZSCHILD; COORDINATE; COLLAPSE; DUST Multiple languages Astronomy & Astrophysics; Physics, Particles & Fields Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/32370