Soluções tipo-vórtice de spins na fita de Möbius / Spin vortex-like solutions on a Möbius Strip

AUTOR(ES)

Walter de Andrade Freitas

DATA DE PUBLICAÇÃO

2009

RESUMO

We consider the classical version of the Heisenberg exchange model on the surface of a Möbius strip. Vortex- like excitations, carrying non-trivial charge (topological winding number), are shown to emerge as static solutions in the planar rotator regime. Besides such a charge, attention is also paid to discuss about its energetics.

ASSUNTO(S)

heisenberg spins spins de heisenberg fisica da materia condensada topologia topology vórtice vortex fita de möbius möbius strip

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