Abstract
The cosmological constant problem is one of the most pressing problems of physics at this time. In this dissertation the problem and a set of widely discussed theoretical solutions to this problem are reviewed. It is shown that a recently developed Lorentz gauge theory of gravity can provide a natural solution. In this theory presented here, the metric is not dynamical and it is shown that the Schwartzschild metric is an exact solution. Also, it is proven that the de Sitter space is an exact vacuum solution and as a result the theory is able to explain the expansion of the universe with no need for dark energy. Renormalizability of the theory is studied as well. It is also shown that, under a certain condition, the theory is power-counting renormalizable.
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References
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Borzou, A. (2018). Introduction. In: Theoretical and Experimental Approaches to Dark Energy and the Cosmological Constant Problem. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-69632-4_1
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DOI: https://doi.org/10.1007/978-3-319-69632-4_1
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