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Effects of modified dispersion relations on free Fermi gas: equations of state and applications in astrophysics (2110.00371v1)
Published 25 Sep 2021 in physics.gen-ph
Abstract: Deformed dispersion relations are considered in the study of equations of state of Fermi gas with applications to compact objects. Different choices of deformed energy relations are used in the formulation of our model. As a first test, we consider a relativistic star with a simple internal structure. The mass-radius diagrams obtained suggest a positive influence of deformed Fermi gas, depending of the functions employed. In addition, we comment on how realistic equations of state, in which interactions between nucleons are taken into account, can be addressed.
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