Neutrino-pair bremsstrahlung in a neutron star crust

Abstract

Based on the formalism by Kaminker et al. (Astron. Astrophys. 343 (1999) 1009) we derive an analytic approximation for neutrino-pair bremsstrahlung emissivity due to scattering of electrons by atomic nuclei in the neutron star crust of any realistic composition. The emissivity is expressed through generalized Coulomb logarithm which we fit by introducing an effective potential of electron-nucleus scattering. In addition, we study the conditions at which the neutrino bremsstrahlung in the crust is affected by strong magnetic fields. The results can be applied for modelling of many phenomena in neutron stars, such as thermal relaxation in young isolated neutron stars and in accreting neutron stars with overheated crust in soft X-ray transients.

arXiv comment6 pages, 3 figures, EPL, accepted

References in corpus (11)

• Neutrino Emission from Neutron Stars
• Thermal Relaxation in Young Neutron Stars
• Heating in the Accreted Neutron Star Ocean: Implications for Superburst Ignition
• Ion structure factors and electron transport in dense Coulomb plasmas
• Coulomb crystals in the magnetic field
• A direct measurement of the heat release in the outer crust of the transiently accreting neutron star XTE J1709-267
• Continued Neutron Star Crust Cooling of the 11 Hz X-Ray Pulsar in Terzan 5: A Challenge to Heating and Cooling Models?
• Pulsars and magnetars
• ${}^1$S${}_0$ Neutron Pairing vs Observations of Cooling Neutron Stars
• Effects of Electron Band Structure on Neutrino Pair Bremsstrahlung in Neutron Star Crusts
• Thermodynamic Functions of Magnetized Coulomb Crystals

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• Analyzing Neutron Star in HESS J1731-347 from Thermal Emission and Cooling Theory
• Shear viscosity in magnetized neutron star crust
• A Relativistic Quantum Approach to Neutrino and Antineutrino Emissions via the Direct Urca Process in Strongly Magnetized Neutron-Star Matter
• Quiescent luminosities of accreting neutron stars with different equation of states
• ν\barν -Pair Synchrotron Emission in Neutron-Star Matter based on a Relativistic Quantum Approach
• Thermal Neutrinos from the Explosion of a Minimum-Mass Neutron Star
• Probing ALP-photon couplings in Neutron Stars: Scalar versus pseudoscalar cases