English

Einstein-aether scalar-tensor anisotropic constant-roll inflationary scenario in noncommutative phase space

General Relativity and Quantum Cosmology 2023-02-14 v1 High Energy Physics - Theory

Abstract

The primary purpose of this study is to investigate the constant-roll inflationary scenario with anisotropic conditions concerning the Einstein-aether Scalar-tensor cosmology in noncommutative phase space. We first introduce an Einstein-aether scalar-tensor cosmological model. In this structure, one can introduce an aether field with aether coefficients in the action integral of scalar-tensor. It will be a function of the scalar field, which is, in fact, a kind of extender of the Lorentz-violating theories. Hence, we present the point-like Lagrangian, which represents the field equations of the Einstein-aether scalar-tensor model. Then we calculate the Hamiltonian of our model directly. According to the noncommutative phase space characteristics, we will calculate the specific equations of this model. Then, according to the constant roll conditions, we take the anisotropic constant-roll inflationary scenario and calculate some cosmological parameters of the mentioned model, such as the Hubble parameter, potential, etc.

Keywords

Cite

@article{arxiv.2212.00065,
  title  = {Einstein-aether scalar-tensor anisotropic constant-roll inflationary scenario in noncommutative phase space},
  author = {Antonio Pasqua and Saeed Noori Gashti},
  journal= {arXiv preprint arXiv:2212.00065},
  year   = {2023}
}

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25 pages