The variational symmetries and conservation laws in classical theory of Heisenberg (anti)ferromagnet

Details The variational symmetries and conservation laws in classical theory of Heisenberg (anti)ferromagnet The variational symmetries and conservation laws in classical theory of Heisenberg (anti)ferromagnet

2003-03-26

arxiv.org/abs/cond-mat/0303554v1

Phys. Lett. A 292 (2002) 325-334

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1016/S0375-9601(01)00813-1

The nonlinear partial differential equations describing the spin dynamics of
Heisenberg ferro and antiferromagnet are studied by Lie transformation group
method. The generators of the admitted variational Lie symmetry groups are
derived and conservation laws for the conserved currents are found via
Noether's theorem.

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