Quantum theory of the Lemaître model for gravitational collapse

2025/01/28 by Claus Kiefer, Hamid Mohaddes · 1 voice
Physics and Astronomy · #Cosmology and Gravitation Theories #Relativity and Gravitational Theory #Statistical Mechanics and Entropy

paper · pdf · doi:10.1007/s10714-025-03349-6

openalex publication_date 2025/01/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/23

Abstract

Abstract We investigate the quantum fate of the classical singularities that occur by gravitational collapse of a dust cloud. For this purpose, we address the quantization of a model first proposed by Georges Lemaître in 1933. We find that the singularities can generically be avoided. This is a consequence of unitary evolution in the quantum theory, whereby the quantum dust cloud collapses, bounces at a minimal radius and re-expands.

Citations

• On Continued Gravitational Contraction

Discussions

• Claus Kiefer & Hamid Mohaddes. Quantum theory of the Lemaître model for gravitational collapse. #GenRelativGravit 57, 26 (2025). doi.org/10.1007/s107... #OpenAccess Part of the "Lemaître Conference 20 [bsky, 3 points, 0 comments]

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