An Exact Cosmological Solution of the Coupled Einstein-Majorana Fermion-Scalar Field Equations
A. B. Balantekin (U.Wisconsin-Madison), T. Dereli (Koc Univ.)
TL;DR
This paper derives exact cosmological solutions for a universe modeled with Einstein gravity coupled to a neutral scalar and a Majorana fermion field, expanding understanding of such coupled systems in cosmology.
Contribution
It presents the first exact solutions for Einstein gravity coupled with both a Majorana fermion and a scalar field in a Robertson-Walker universe.
Findings
Exact cosmological solutions found for coupled Einstein-Majorana scalar system.
Demonstrates consistent evolution of scalar and fermion fields in cosmological models.
Abstract
We couple a neutral scalar field and a Majorana fermion field to Einstein gravity represented by the Robertson-Walker metric and find a class of exact cosmological solutions.
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