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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