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cond-mat.stat-mech1999
Dynamics of Ordering of Isotropic Magnets
Jayajit Das, Madan Rao
We study the dynamics of ordering of the nonconserved and conserved Heisenberg magnet. The dynamics consists of two parts - an irreversible dissipation into a heat bath and a rever…
cond-mat.stat-mech1999
Conserved Ordering Dynamics of Heisenberg Spins with Torque
Jayajit Das, Madan Rao
We show that a torque induced by the local molecular field drives the zero-temperature ordering dynamics of a conserved Heisenberg magnet to a new fixed point, characterised by exp…