TL;DR
This paper models a perfect fluid in the universe using a nonlinear spinor field, exploring effects of self-action and scalar interaction on cosmic evolution.
Contribution
It introduces a spinor field framework to simulate matter characteristics affecting universe evolution, considering both self-action and scalar interaction effects.
Findings
Spinor field effectively models perfect fluid behavior.
Self-action and scalar interaction alter the spinor field dynamics.
The approach offers new insights into matter influence on cosmology.
Abstract
Different characteristic of matter influencing the evolution of the Universe has been simulated by means of a nonlinear spinor field. We have considered two cases where the spinor field nonlinearity occurs either as a result of self-action or due to the interaction with a scalar field.
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