Abstract (EN):
One considers phase-space noncommutativity in the context of a Kantowski-Sachs cosmological model to study the interior of a Schwarzschild black hole. It is shown that the potential function of the corresponding quantum cosmology problem has a local minimum. One deduces the thermodynamics and show that the Hawking temperature and entropy exhibit an explicit dependence on the momentum noncommutativity parameter, TT Furthermore, the t = r = 0 singularity is analysed in the noncommutative regime and it is shown that the wave function vanishes in this limit.
Idioma:
Inglês
Tipo (Avaliação Docente):
Científica
Contacto:
cbastos@fisica.ist.utl.pt; orfeu@cosmos.ist.utl.pt; ncdias@mail.telepac.pt; joao.prata@mail.telepac.pt
Nº de páginas:
9