Nonlinear $σ$-Model in (2+1) dimensions

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dc.creatorHuan, Hao
dc.date2008-09-09
dc.date.accessioned2026-07-07T10:01:55Z
dc.date.available2026-07-07T10:01:55Z
dc.descriptionThe nonlinear $σ$-model in (2+1) dimensions admits topological configurations called skyrmions. The topological charge of skyrmions turn out to be the fermionic number and the fermionic current is dictated by the skyrmion field configuration. The peculiar feature of this model is that a Hopf term introduced into the Lagrangian can lead to exotic spin and fractional statistics.
dc.description12 pages
dc.identifierhttps://arxiv.org/abs/0809.1655
dc.identifierhttp://arxiv.org/abs/0809.1655
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/168792
dc.subjectMesoscale and Nanoscale Physics
dc.subjectOther Condensed Matter
dc.titleNonlinear $σ$-Model in (2+1) dimensions
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