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Seminars

All-Moscow Seminar of Astrophysicists
(ASA)

The seminar is supported by the grant of Federal Programm "Integration"
annotation of talk
Alexander A. Gvozdev, Igor S. Ognev (Yaroslavl State University)
"Influence of neutrino reemission processes in magnetic field on dynamics of protostar envelope"


Urca-processes of a neutrino reemission in a protostar ( supernova ) envelope with a strong magnetic field are investigated. It is shown, that in the toroidal magnetic field these processes can develope a torque which quickly unwind an envelope. A general expression for a force density alonge the field is obtained. Numerical estimations are presented. A possible influence of the "neutrino unwinding" effect on a dynamics of the protostar(supernova) envelope is discussed.