El destino final del Universo
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2024
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Abstract
El trabajo ofrece una visión integral y actualizada del campo de la cosmología en la exploración del destino último del Universo. Comenzando con una sólida base de fundamentos cosmológicos, se examina la naturaleza de la gravedad, los principios cosmológicos fundamentales y las observaciones del fondo cósmico de microondas. Se profundizará en la expansión del Universo desde la ley de Hubble hasta las geometrías del espacio-tiempo bajo la métrica FLRW, así como las evidencias que la respaldan. Puesto que el modelo cosmológico estándar presenta problemas, se analizarán otros modelos. Se dedicará especial atención al fenómeno de la energía oscura, explorando conceptos como la constante cosmológica y la energía oscura dinámica, en particular, la energía fantasma. Además, se investigará la dinámica del universo desde su origen hasta sus posibles finales, incluidas las singularidades y otros escenarios abruptos. Finalmente, se explican algunas de las técnicas de observación utilizadas en este campo.
The project offers a comprehensive and up-to-date overview of the field of cosmology in the exploration of the ultimate fate of the Universe. Starting with a solid grounding in cosmological fundamentals, it examines the nature of gravity, fundamental cosmological principles and observa tions of the cosmic microwave background. The expansion of the Universe from Hubble’s law to space-time geometries under the FLRW metric, as well as the supporting evidence, will be explored in depth. Since the standard cosmological model presents problems, other models will be analyzed. Special attention will be devoted to the phenomenon of dark energy, exploring concepts such as the cosmological constant and dynamical dark energy, in particular, phantom energy. In addition, the dynamics of the universe from its origin to its possible ends, including singularities and other abrupt scenarios, will be investigated. Finally, some observational techniques used in this field will be explained.
The project offers a comprehensive and up-to-date overview of the field of cosmology in the exploration of the ultimate fate of the Universe. Starting with a solid grounding in cosmological fundamentals, it examines the nature of gravity, fundamental cosmological principles and observa tions of the cosmic microwave background. The expansion of the Universe from Hubble’s law to space-time geometries under the FLRW metric, as well as the supporting evidence, will be explored in depth. Since the standard cosmological model presents problems, other models will be analyzed. Special attention will be devoted to the phenomenon of dark energy, exploring concepts such as the cosmological constant and dynamical dark energy, in particular, phantom energy. In addition, the dynamics of the universe from its origin to its possible ends, including singularities and other abrupt scenarios, will be investigated. Finally, some observational techniques used in this field will be explained.
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Título en el interior: "El destino final del Universo: exploración de las singularidades y la energía fantasma"