A Survey of Nuclear Pasta in the Intermediate Density Regime: Structure Functions for Neutrino Scattering

Abstract

Background: Nuclear pasta matter, emerging due to the competition between the long-range Coulomb force and the short-range strong force, is believed to be present in astrophysical scenarios, such as neutron stars and core-collapse supernovae. Its structure can have a high impact e.g. on neutrino transport or the tidal deformability of neutron stars. Purpose: We investigate the impact of nuclear pasta on neutrino interactions and compare the results to uniform matter. Method: We calculate the elastic and inelastic static structure factors for nuclear pasta matter using density functional theory (DFT), which contain the main nuclear input for neutrino scattering. Results: Each pasta structure leaves a unique imprint in the elastic structure factor and it is largely enhanced. The inelastic structure factors are very similar for all configurations. Conclusion: Nuclear pasta has a noticeable impact on neutrino neutral-current scattering opacities. While for inelastic reactions the cross section is reduced, the elastic coherent scattering increases dramatically. The effect can be of importance for the cooling of neutron stars as well as for core-collapse supernova models.

arXiv comment10 pages, 10 figures

References in corpus (28)

• Neutrino Interactions in Hot and Dense Matter
• Neutrino-pasta scattering: the opacity of nonuniform neutron-rich matter
• Weak magnetism for antineutrinos in supernovae
• Neutrino Opacities in Nuclear Matter
• The TDHF Code Sky3D
• A highly resistive layer within the crust of X-ray pulsars limits their spin periods
• Nonuniform Neutron-Rich Matter and Coherent Neutrino Scattering
• Structure of the inner crust of neutron stars: crystal lattice or disordered phase ?
• Energy density functional for nuclei and neutron stars
• Twist-averaged boundary conditions for nuclear pasta Hartree-Fock calculations
• The Elasticity of Nuclear Pasta
• Nuclear matter in the crust of neutron stars
• Appearance of the Single Gyroid Network Phase in Nuclear Pasta Matter
• Nuclear "pasta" structures in low-density nuclear matter and neutron star crust
• Linear response of homogeneous nuclear matter with energy density functionals
• Time-Dependent Hartree-Fock Approach to Nuclear Pasta at Finite Temperature
• Light clusters, pasta phases and phase transitions in core-collapse supernova matter
• Quantum Nuclear Pasta and Nuclear Symmetry Energy
• Topological characterization of neutron star crusts
• The Shear Viscosity and Thermal Conductivity of Nuclear Pasta
• Impact of nuclear "pasta" on neutrino transport in collapsing stellar cores
• Nuclear Pasta Matter for Different Proton Fractions
• Transport properties of nuclear pasta phase with quantum molecular dynamics
• A Survey of Nuclear Pasta in the Intermediate Density Regime I: Shapes and Energies
• Spin Response and Neutrino Emissivity of Dense Neutron Matter
• Nuclear pasta in hot dense matter and its implications for neutrino scattering
• Neutrino-nucleon scattering in the neutrino-sphere
• Skyrme-RPA study of charged-current neutrino opacity in hot and dense supernova matter

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• Anisotropic electron transport in the nuclear pasta phase
• Nuclear pasta structures at high temperatures
• Elasticity of neutron star mantle: improved compressible liquid drop model for cylindrical phases
• Neutron Stars as a Probe of Cosmic Neutrino Background
• Tasting Nuclear Pasta Made with Classical Molecular Dynamics Simulations
• Neutrino-Neutron Scattering Opacities in Supernova Matter
• Properties and microscopic structures of dense stellar matter in RMF models
• Phase transitions in the inner crust of neutron stars within the superfluid band theory: Competition between ${}^1{\text{S}}_0$ pairing and spin polarization under finite temperature and magnetic field