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Singularity avoidance by collapsing shells in quantum gravity | | Petr Hajicek
; Claus Kiefer
; | | Date: |
31 Jul 2001 | | Journal: | Int.J.Mod.Phys. D10 (2001) 775-780 | | Subject: | gr-qc | | Abstract: | We discuss a model describing exactly a thin spherically symmetric shell of matter with zero rest mass. We derive the reduced formulation of this system in which the variables are embeddings, their conjugate momenta, and Dirac observables. A non-perturbative quantum theory of this model is then constructed, leading to a unitary dynamics. As a consequence of unitarity, the classical singularity is fully avoided in the quantum theory. | | Source: | arXiv, gr-qc/0107102 | | Services: | Forum | Review | PDF | Favorites | |
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