Kick torsion of magnetized medium by neutrinos

A. Gvozdev, I. Ognev
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Abstract

Abstract Dominated neutrino-nucleon processes in a remnant envelope of the collapsing star with a strong magnetic field are investigated. The transferred by neutrinos momentum asymmetry along the field direction is obtained. It is shown that in the toroidal magnetic field these processes can develop a torque which quickly spins-up the envelope. An influence of the neutrino “spin-up” effect on a dynamics of the collapsar envelope is discussed and numerically estimated.
磁化介质的微中子踢扭
摘要研究了在强磁场作用下坍缩恒星残余包层中的受控中微子-核子过程。得到了微中子沿场方向传递的动量不对称性。结果表明,在环向磁场中,这些过程可以产生一个快速旋转包络的转矩。讨论了中微子“自旋上升”效应对坍缩包络动力学的影响,并进行了数值估计。
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