Abstract
The influence of a strongly magnetized dense plasma on the photon-neutrino processes γe ± → e ±ν\( \bar \nu \) , γ → ν\( \bar \nu \) , and γγ → ν\( \bar \nu \) is considered; invariant amplitudes of the γe ± → e ±ν\( \bar \nu \) and γγ → ν\( \bar \nu \) reactions are calculated. The contributions from these processes to the neutrino luminosity are calculated in the special case of a cold plasma. Under these conditions, the contribution from the process γ → ν\( \bar \nu \) to the neutrino emissivity is shown to be strongly suppressed compared to the contributions from the photoneutrino and photon conversion processes. Since the neutron star cooling curve can be modified through a change of the neutrino luminosity in a strong magnetic field, the magnetic field strength in the outer crust of the magnetar is assumed to be constrained.
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Original Russian Text © D.A. Rumyantsev, M.V. Chistyakov, 2008, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2008, Vol. 134, No. 4, pp. 627–636.
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Rumyantsev, D.A., Chistyakov, M.V. Influence of photon-neutrino processes on the cooling of a magnetar. J. Exp. Theor. Phys. 107, 533–541 (2008). https://doi.org/10.1134/S1063776108100014
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DOI: https://doi.org/10.1134/S1063776108100014