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Unified approach to the entropy of an extremal rotating BTZ black hole: Thin shells and horizon limits
José P. S. Lemos, Masato Minamitsuji, Oleg B. Zaslavskii
Using a thin shell, the first law of thermodynamics, and a unified approach, we study the thermodymanics and find the entropy of a (2+1)-dimensional extremal rotating Bañados-Teite…
Thermodynamics of extremal rotating thin shells in an extremal BTZ spacetime and the extremal black hole entropy
José P. S. Lemos, Masato Minamitsuji, Oleg B. Zaslavskii
In a (2+1)-dimensional spacetime with a negative cosmological constant, the thermodynamics and the entropy of an extremal rotating thin shell, i.e., an extremal rotating ring, are…
Thermodynamics of rotating thin shells in the BTZ spacetime
José P. S. Lemos, Francisco J. Lopes, Masato Minamitsuji +1
We investigate the thermodynamic equilibrium states of a rotating thin shell, i.e., a ring, in a (2+1)-dimensional spacetime with a negative cosmological constant. The inner and ou…
The Initial State of a Primordial Anisotropic Stage of Inflation
Jose J. Blanco-Pillado, Masato Minamitsuji
We investigate the possibility that the inflationary period in the early universe was preceded by a primordial stage of strong anisotropy. In particular we focus on the simplest mo…
Moduli Stabilization in a de Sitter Compactification Model
Antonino Flachi, Masato Minamitsuji, Kunihito Uzawa
We discuss the moduli stabilization in a de Sitter compactification model obtained coupling D-dimensional gravity to scalar and gauge fields. This class of models is characterized…
Cosmological brane systems in warped spacetime
Masato Minamitsuji, Kunihito Uzawa
In this paper, we discuss the time-dependent brane solutions in higher-dimensional supergravity theories. We particularly focus on the dynamical extensions of the intersecting bran…