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Singularity problem and phase-space noncanonical noncommutativity

Catarina Bastos, Orfeu Bertolami, Nuno Costa Dias, and João Nuno Prata
Phys. Rev. D 82, 041502(R) – Published 26 August 2010

Abstract

The Wheeler-DeWitt equation arising from a Kantowski-Sachs model is considered for a Schwarzschild black hole under the assumption that the scale factors and the associated momenta satisfy a noncanonical noncommutative extension of the Heisenberg-Weyl algebra. An integral of motion is used to factorize the wave function into an oscillatory part and a function of a configuration space variable. The latter is shown to be normalizable using asymptotic arguments. It is then shown that on the hypersurfaces of constant value of the argument of the wave function’s oscillatory piece, the probability vanishes in the vicinity of the black hole singularity.

  • Received 20 December 2009

DOI:https://doi.org/10.1103/PhysRevD.82.041502

© 2010 The American Physical Society

Authors & Affiliations

Catarina Bastos1,*, Orfeu Bertolami1,†, Nuno Costa Dias2,‡, and João Nuno Prata2,§

  • 1Departamento de Física, Instituto Superior Técnico, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
  • 2Departamento de Matemática, Universidade Lusófona de Humanidades e Tecnologias, Avenida Campo Grande, 376, 1749-024 Lisboa, Portugal

  • *Also at Instituto de Plasmas e Fusão Nuclear, IST, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal. catarina.bastos@ist.utl.pt
  • Also at Instituto de Plasmas e Fusão Nuclear, IST, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal. orfeu@cosmos.ist.utl.pt
  • Also at Grupo de Física Matemática, UL, Avenida Prof. Gama Pinto 2, 1649-003, Lisboa, Portugal. ncdias@meo.pt
  • §Also at Grupo de Física Matemática, UL, Avenida Prof. Gama Pinto 2, 1649-003, Lisboa, Portugal. joao.prata@mail.telepac.pt

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Issue

Vol. 82, Iss. 4 — 15 August 2010

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