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Baryogenesis motivated on String CPT Violation
Orfeu Bertolami
We discuss a mechanism for generating the baryon asymetry of the Universe that involves a putative violation of CPT symmetry arising from string interactions.
Quantum Analysis of the Compactification Process in the Multidimensional Einstein-Yang-Mills System
O. Bertolami, P. D. Fonseca, P. V. Moniz
We study solutions of the Wheeler-DeWitt equation obtained when considering homogeneous and isotropic (up to a gauge transformation) field configurations of the Einstein-Yang-Mills…
Can Spontaneous Supersymmetry Breaking in a Quantum Universe Induce the Emergence of Classical Spacetimes ?
O. Bertolami, P. V. Moniz
We introduce the set of constraints the wave function of the Universe has to satisfy in order to describe an Universe undergoing through the process of spontaneous breaking of supe…
Lorentz Invariance and the Cosmological Constant
Orfeu Bertolami
Non-trivial solutions in string field theory may lead to the spontaneous breaking of Lorentz invariance and to new tensor-matter interactions. It is argued that requiring the contr…
CPT, Strings and Baryogenesis
O. Bertolami, D. Colladay, V. A. Kostelecký +1
In the context of string field theory, the possibility exists for the spontaneous violation of Lorentz invariance and CPT. In this talk, we review its status and some experimental…
Dualities, CPT Symmetry and Dimensional Reduction in String Theory
Orfeu Bertolami
In this lecture we address the following issues in the context of string theories: i) The role played by S and T dualities in obtaining topological inflation in N=1 supergravity mo…