Finsler–Randers model for anisotropic constant-roll inflation

In this work, we study constant-roll inflation driven by a scalar field with the Finsler model. In this scenario, using the Hamilton–Jacobi-like formalism, an ansatz for the Hubble parameter (as a function of the scalar field), and some restrictions on the model parameters, we found new exact soluti...

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Bibliographic Details
Published in:European physical journal plus 2022-12, Vol.137 (12), p.1388, Article 1388
Main Authors: Nekouee, Z., Narasimhamurthy, S. K., Manjunatha, H. M., Srivastava, S. K.
Format: Article
Language:English
Subjects:
Anisotropy
Applied and Technical Physics
Atomic
Complex Systems
Condensed Matter Physics
Cosmology
Dark energy
Exact solutions
Geometry
Gravity
Mathematical and Computational Physics
Mathematical models
Molecular
Optical and Plasma Physics
Parameters
Physics
Physics and Astronomy
Regular Article
Scalars
Spacetime
Theoretical
Theory of relativity
Universe
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Summary:In this work, we study constant-roll inflation driven by a scalar field with the Finsler model. In this scenario, using the Hamilton–Jacobi-like formalism, an ansatz for the Hubble parameter (as a function of the scalar field), and some restrictions on the model parameters, we found new exact solutions for the inflaton potential, which include power-law, and hybrid among others. In this model, even-order slow-roll parameters approach non-negligible constants while their odd-order is asymptotically zero.
ISSN:2190-5444
2190-5444
DOI:10.1140/epjp/s13360-022-03582-x