Equation of state and strangeness in neutron stars
Wolfram Weise
TL;DR
This paper reviews the current understanding of the equation of state and strangeness in neutron stars, discussing observational constraints, hyperon interactions, and the hyperon puzzle.
Contribution
It provides a comprehensive survey of the equation of state in neutron stars and explores the role of hyperons and their interactions in resolving the hyperon puzzle.
Findings
Constraints on the equation of state from observational data
Hyperon-nuclear forces influence neutron star properties
Potential solutions to the hyperon puzzle are discussed
Abstract
A brief survey is presented of our present understanding of the equation-of-state of cold, dense matter and the speed of sound in the interior of neutron stars, based on the constraints inferred from observational data. The second part focuses on strangeness in baryonic matter and the role of hyperon-nuclear two- and three-body forces, with reference to the "hyperon puzzle" in neutron stars and possible scenarios for its solution.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Geophysics and Gravity Measurements · Atomic and Subatomic Physics Research