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νν¯-Pair synchrotron emission in neutron-star matter based on a relativistic quantum approach
- Authors
- Maruyama T.; Balantekin A.B.; Cheoun M.-K.; Kajino T.; Mathews G.J.
- Issue Date
- Jun-2020
- Publisher
- Elsevier B.V.
- Keywords
- Neutrino emission; Neutron-star; Relativistic quantum approach; Strong magnetic field
- Citation
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, v.805
- Volume
- 805
- ISSN
- 0370-2693
- Abstract
- We study the νν¯-pair synchrotron emission from electrons and protons in a relativistic quantum approach. This process occurs only in the presence of a strong magnetic field, and it is considered to be one of effective processes for neutron star cooling. In this work we calculate the luminosity of the νν¯-pairs emitted from neutron-star-matter with a magnetic field of about 1015 G. We find that the energy loss is much larger than that of the modified Urca process. The νν¯-pair emission processes in strong magnetic fields is expected to contribute significantly to the cooling of the magnetars. © 2020 The Authors
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Related Researcher
- Cheoun, Myung-Ki
- College of Natural Sciences (Department of Physics)