Abstract <p>We consider Axion-like particle (ALP) model to construct numerical spatially homogeneous anisotropic Kantowski–Sachs cosmological model. We investigate the impact of model’s parameters on the behavior of the scalar field. We demonstrate that axion-like scalar field could behave differently, having an equation of state parameter (EoS) <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\omega\)</EquationSource> <!--NuclPhys2560072Krasnov-m1--> </InlineEquation> in the interval <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(-1\leq\omega\leq 1\)</EquationSource> <!--NuclPhys2560072Krasnov-m2--> </InlineEquation>.</p>

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Axion-like Scalar Field in Kantowski–Sachs Background

  • Maxim Krasnov,
  • Maxim Khlopov,
  • Oem Trivedi

摘要

Abstract

We consider Axion-like particle (ALP) model to construct numerical spatially homogeneous anisotropic Kantowski–Sachs cosmological model. We investigate the impact of model’s parameters on the behavior of the scalar field. We demonstrate that axion-like scalar field could behave differently, having an equation of state parameter (EoS) \(\omega\) in the interval \(-1\leq\omega\leq 1\) .