Campos Vectoriales y Ondas Gravitacionales en Cosmología
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2024
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24/06/2024
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Universidad Complutense de Madrid
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Abstract
El modelo cosmológico estándar es la mejor descripción del Universo que tenemos hoy en día, y una de las aplicaciones más exitosas de la Relatividad General de Einstein. Aunque basta para explicar la expansión y la historia del Universo, aún alberga algunos misterios por resolver, como la naturaleza del sector oscuro o el problema de la asimetría bariónica, que sugieren modelos y procesos más allá de lo que se entiende por física estándar. En los últimos años, se han considerado extensiones al modelo estándar que típicamente involucran nuevos grados de libertad escalares para abordar estos problemas. En esta tesis, consideramos modelos más allá del paradigma escalar, que involucran campos vectoriales y tensoriales, los cuales han ganado popularidad por separado en las últimas décadas...
The cosmological standard model is the best description of the Universe we have got today, and one of the most successful applications of Einstein’s General Relativity. Although it suffices to explain the expansion and history of the Universe, it still harbours some mysteries that are yet to be solved, such as the nature of the dark sector or the baryon asymmetry problem, which hint at models and processes beyond what is understood as standard physics. Over the last years, extensions to the Standard Model have been considered, which typically involve new scalar degrees of freedom and attempt to solve these problems. In this thesis, we consider models beyond the scalar paradigm involving vector and tensor fields, which have separately risen in popularity over the last decades...
The cosmological standard model is the best description of the Universe we have got today, and one of the most successful applications of Einstein’s General Relativity. Although it suffices to explain the expansion and history of the Universe, it still harbours some mysteries that are yet to be solved, such as the nature of the dark sector or the baryon asymmetry problem, which hint at models and processes beyond what is understood as standard physics. Over the last years, extensions to the Standard Model have been considered, which typically involve new scalar degrees of freedom and attempt to solve these problems. In this thesis, we consider models beyond the scalar paradigm involving vector and tensor fields, which have separately risen in popularity over the last decades...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Físicas, leída el 24-06-2024