PRESENCE OF ANISOTROPIC PRESSURES IN LEMAÎTRE–TOLMAN–BONDI COSMOLOGICAL MODELS
Sérgio del CampoInstituto de Física, Pontificia Universidad Católica de Valparaíso, Av. Brasil 2950, Valparaíso, ChileVíctor H. CárdenasDepartamento de Física y Astronomía, Universidad de Valparaíso, A. Gran Bretaña 1111, Valparaíso, ChileRamón HerreraInstituto de Física, Pontificia Universidad Católica de Valparaíso, Av. Brasil 2950, Valparaíso, Chile
2012en
ABI
Abstract
We describe Lemaître–Tolman–Bondi cosmological models where an anisotropic pressure is considered. By using recent astronomical observations coming from supernova of Ia types, we constraint the values of the parameters that characterize our models.
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Cited by 20 references