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Title: Hydrodynamical limit of non-minimally coupled scalar fields
Author: Forbicia León, Roberto
Director/Tutor: Germani, Cristiano
Keywords: Camps escalars acoblats
Treballs de fi de grau
Coupled scalar fields
Bachelor's thesis
Issue Date: Jun-2020
Abstract: In this paper we study how the addition of a non-minimal derivative coupling modifies the energy-momentum tensor of conformally invariant scalar fields in a at Robertson-Walker spacetime. We argue that the resulting energy-momentum tensor is not that of a perfect uid with pressure proportional to density. This suggests that the departure from the cosmological fluid behaviour is a general feature of non-minimally coupled massless scalar fields
Note: Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2020, Tutor: Cristiano Germani
Appears in Collections:Treballs Finals de Grau (TFG) - Física

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