Theoretic Limits on the Equation of State Parameter of Quintessence
Qing-Guo Huang
TL;DR
This paper derives theoretical limits on the equation of state parameter for quintessence, showing that quantum gravity considerations impose constraints that can surpass current experimental bounds.
Contribution
It introduces a new theoretical constraint on the quintessence equation of state parameter based on the scalar field's coupling to gravity and Planck scale limitations.
Findings
The scalar field should be less than the Planck scale in quantum gravity.
Theoretical constraints can be more restrictive than experimental bounds.
Provides a new perspective on quintessence parameter limits.
Abstract
The value of scalar field coupled to gravity should be less than the Planck scale in the consistent theory of quantum gravity. It provides a theoretic constraint on the equation of state parameter for the quintessence. In some cases our theoretic constraints are more stringent than the constraints from the present experiments.
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