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Asymmetric neutrino emission from magnetized proto-neutron star matter including hyperons in relativistic mean field theory

Title
Asymmetric neutrino emission from magnetized proto-neutron star matter including hyperons in relativistic mean field theory
Author
류충열
Keywords
SUPERNOVA EXPLOSIONS; PARITY VIOLATION; PULSAR KICKS; CONDENSATION; TRANSPORT; STRANGENESS; VELOCITIES; ORIGIN
Issue Date
2011-04
Publisher
AMERICAN PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v. 83, NO 8, Page. 1-1
Abstract
We calculate asymmetric neutrino absorption and scattering cross sections on hot and dense magnetized neutron star matter, including hyperons in fully relativistic mean-field theory. The absorption/scattering cross sections are suppressed/enhanced incoherently in the direction of the magnetic field B = B (z) over cap. The asymmetry is 2-4% at the matter density rho(0) <= rho(B) <= 3 rho(0) and temperature T <= 40 MeV for B = 2 x 10(17) G. This asymmetry is comparable to the effects owing to parity violation or asymmetric magnetic field topology proposed for the origin of pulsar kicks.
URI
http://arxiv.org/abs/1009.0976http://hdl.handle.net/20.500.11754/35014
ISSN
1550-7998
DOI
10.1103/PhysRevD.83.081303
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