Radial oscillations and tidal Love numbers of dark energy stars
Grigoris Panotopoulos, Angel Rincon, Ilidio Lopes
TL;DR
This paper studies dark energy stars by analyzing their structure, oscillations, and tidal responses, providing insights into their stability and physical properties using a generalized Chaplygin gas model.
Contribution
It introduces a model of dark energy stars with a generalized Chaplygin gas equation of state and computes their mass profiles, oscillation modes, and tidal Love numbers.
Findings
Mass-to-radius profiles characterized
Tidal Love numbers calculated
Radial oscillation modes identified
Abstract
We investigate the properties of relativistic stars made of dark energy. We model stellar structure assuming i) isotropic perfect fluid and ii) a dark energy inspired equation of state, the generalized equation of state of Chaplygin gas, as we will be calling it. The mass-to-radius profiles, the tidal Love numbers as well as the ten lowest radial oscillation modes are computed. Causality, stability and energy conditions are also discussed.
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