Constraining the Equation of State with Moment of Inertia Measurements
James M. LattimerDepartment of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794-3800Bernard F. SchutzMax-Planck Institut für Gravitationsphysik, Albert-Einstein-Institut, Am Mühlenberg 1, D-14476, Potsdam, Germany
2005en
ABI
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We estimate that the moment of inertia of star A in the recently discovered double pulsar system PSR J0737-3039 may be determined after a few years of observation to something like 10% accuracy. This would enable accurate estimates of the radius of the star and the presure of matter in the vicinity of 1 to 2 times the nuclear saturation density, which would in turn provide strong constraints on the equation of state of neutron stars and the physics of their interiors.
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