Equation of State (EOS) Models

Equation of State (EOS) Models#

JESTER provides multiple parametrizations for the neutron star equation of state, each with different physical assumptions and use cases.

Available Parametrizations#

Metamodel

Taylor expansion of energy density around saturation density.

Metamodel

Metamodel + CSE

Metamodel with speed-of-sound extrapolation to high densities.

Metamodel + CSE

Spectral Decomposition

4-parameter spectral expansion of the EOS.

Spectral Decomposition