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Title: Neutrino quantum kinetics in compact objects

Journal Article · · Physical Review. D.
 [1];  [1];  [1];  [1]
  1. North Carolina State Univ., Raleigh, NC (United States)
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Neutrinos play a critical role of transporting energy and changing the lepton density within corecollapse supernovae and neutron star mergers. The quantum kinetic equations (QKEs) combine the effects of neutrino-matter interactions treated in classical Boltzmann transport with the neutrino flavor-changing effects treated in neutrino oscillation calculations. We present a method for extending existing neutrino interaction rates to full QKE source terms for use in numerical calculations. We demonstrate the effects of absorption and emission by nucleons and nuclei, electron scattering, electron-positron pair annihilation, nucleon-nucleon bremsstrahlung, neutrino-neutrino scattering. For the first time, we include all these collision terms self-consistently in a simulation of the full isotropic QKEs in conditions relevant to core-collapse supernovae and neutron star mergers. For our choice of parameters, the long-term evolution of the neutrino distribution function proceeds similarly with and without the oscillation term, though with measurable differences. We demonstrate that electron scattering, nucleon-nucleon bremsstrahlung processes, and four-neutrino processes dominate flavor decoherence in the protoneutron star (PNS), absorption dominates near the shock, and all of the considered processes except elastic nucleon scattering and neutrino-neutrino processes are relevant in the decoupling region. Lastly, we propose an effective decoherence opacity that at most energies predicts decoherence rates to within a factor of 10 in our model PNS and within 20% outside of the PNS.

Research Organization:
North Carolina State University, Raleigh, NC (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
FG02-02ER41216
OSTI ID:
1609389
Alternate ID(s):
OSTI ID: 1546260
Journal Information:
Physical Review. D., Vol. 99, Issue 12; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 51 works
Citation information provided by
Web of Science

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Neutrino oscillations
  • Šimkovic, Fedor; Granja, Carlos; Leroy, Claude
  • Nuclear Physics Medthods and Accelerators in Biology and Medicine, AIP Conference Proceedings https://doi.org/10.1063/1.2825776
conference January 2007
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A Detailed Comparison Of Multi-Dimensional Boltzmann Neutrino Transport Methods In Core-Collapse Supernovae dataset January 2017
Neutrino signatures and the neutrino-driven wind in Binary Neutron Star Mergers text January 2008
Truncated Moment Formalism for Radiation Hydrodynamics in Numerical Relativity text January 2011
The Role of Collective Neutrino Flavor Oscillations in Core-Collapse Supernova Shock Revival text January 2011
Supernova neutrino halo and the suppression of self-induced flavor conversion text January 2012
Explosion Mechanisms of Core-Collapse Supernovae text January 2012
Halo Modification of a Supernova Neutronization Neutrino Burst text January 2013
New equations of state based on the liquid drop model of heavy nuclei and quantum approach to light nuclei for core-collapse supernova simulations text January 2013
Neutrino Quantum Kinetics text January 2013
Red or blue? A potential kilonova imprint of the delay until black hole formation following a neutron star merger text January 2014
A New Spin on Neutrino Quantum Kinetics preprint January 2014
Neutrino-antineutrino correlations in dense anisotropic media text January 2014
An Open-Source Neutrino Radiation Hydrodynamics Code for Core-Collapse Supernovae text January 2014
Post-merger evolution of a neutron star-black hole binary with neutrino transport text January 2015
Monte Carlo Neutrino Transport Through Remnant Disks from Neutron Star Mergers text January 2015
Two Dimensional Core-Collapse Supernova Explosions Aided by General Relativity with Multidimensional Neutrino Transport text January 2015
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General Relativistic Three-Dimensional Multi-Group Neutrino Radiation-Hydrodynamics Simulations of Core-Collapse Supernovae text January 2016
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Neutrino Quantum Kinetic Equations: The Collision Term text January 2016
Matter Neutrino Resonance Transitions above a Neutron Star Merger Remnant text January 2016
Prospects for Neutrino Spin Coherence in Supernovae text January 2016
Helicity coherence in binary neutron star mergers and non-linear feedback text January 2016
Fast neutrino conversions: Ubiquitous in compact binary merger remnants text January 2017
Flavor-dependent neutrino angular distribution in core-collapse supernovae text January 2017
Properties of Neutrino-driven Ejecta from the Remnant of Binary Neutron Star Merger : Purely Radiation Hydrodynamics Case text January 2017
Fast flavor conversions of supernova neutrinos: Classifying instabilities via dispersion relations text January 2017
Effect of collisions on neutrino flavor inhomogeneity in a dense neutrino gas text January 2017
Rotation-supported Neutrino-driven Supernova Explosions in Three Dimensions and the Critical Luminosity Condition text January 2017
Imprints of neutrino-pair flavor conversions on nucleosynthesis in ejecta from neutron-star merger remnants text January 2017
Fast neutrino flavor conversion: roles of dense matter and spectrum crossing text January 2017
Impact of Neutrino Opacities on Core-Collapse Supernova Simulations text January 2018
Long-lived Remnants from Binary Neutron Star Mergers text January 2018
Elastic Scattering in General Relativistic Ray Tracing for Neutrinos text January 2018
Exploring Fundamentally Three-dimensional Phenomena in High-fidelity Simulations of Core-collapse Supernovae text January 2018
A Successful 3D Core-Collapse Supernova Explosion Model text January 2018
Weak magnetism for antineutrinos in supernovae text January 2001
Electron Neutrino Pair Annihilation: A New Source for Muon and Tau Neutrinos in Supernovae text January 2002
High Resolution Calculations of Merging Neutron Stars II: Neutrino Emission text January 2003
Self-induced conversion in dense neutrino gases: Pendulum in flavour space text January 2006
Supernova Neutrino Opacity from Nucleon-Nucleon Bremsstrahlung and Related Processes text January 1997
Speed-up of neutrino transformations in a supernova environment text January 2005
A Detailed Comparison of Multi-Dimensional Boltzmann Neutrino Transport Methods in Core-Collapse Supernovae text January 2017

Cited By (6)

On the Occurrence of Crossings between the Angular Distributions of Electron Neutrinos and Antineutrinos in the Supernova Core journal September 2019
Fast neutrino flavor conversion: collective motion vs. decoherence journal September 2019
Fast-pairwise Collective Neutrino Oscillations Associated with Asymmetric Neutrino Emissions in Core-collapse Supernovae journal November 2019
Effect of extended ν production region on collective oscillations in supernovae journal October 2019
Effect of extended neutrino production region on collective oscillations in supernovae text January 2019
Physical, numerical, and computational challenges of modeling neutrino transport in core-collapse supernovae preprint January 2020

Figures / Tables (28)

FIG. 1(p. 6)figure FIG. 1
FIG. 2(p. 7)figure FIG. 2
FIG. 3(p. 7)figure FIG. 3
Figure 4(p. 8)figure Figure 4
FIG. 5(p. 9)figure FIG. 5
FIG. 6(p. 10)figure FIG. 6
FIG. 7(p. 11)figure FIG. 7
FIG. 8(p. 12)figure FIG. 8
FIG. 9(p. 12)figure FIG. 9
FIG. 10(p. 13)figure FIG. 10
FIG. 11(p. 14)figure FIG. 11
FIG. 12(p. 15)figure FIG. 12
FIG. 13(p. 16)figure FIG. 13
FIG. 14(p. 16)figure FIG. 14
FIG. 15(p. 16)figure FIG. 15
FIG. 16(p. 17)figure FIG. 16
FIG. 17(p. 17)figure FIG. 17
FIG. 18(p. 18)figure FIG. 18
FIG. 19(p. 19)figure FIG. 19
FIG. 20(p. 20)figure FIG. 20
FIG. 21(p. 21)figure FIG. 21
FIG. 22(p. 22)figure FIG. 22
Figure 23(p. 24)figure Figure 23
FIG. 24(p. 25)figure FIG. 24
FIG. 25(p. 30)figure FIG. 25
FIG. 26(p. 31)figure FIG. 26
FIG. 27(p. 31)figure FIG. 27
FIG. 28(p. 32)figure FIG. 28

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
astronomy & astrophysics
physics
neutrino interactions
neutrino oscillations
novae & supernovae
neutron stars & pulsars