3D van der Waals sigma-model and topological excitations with logarithmic energy

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dc.creatorBulgadaev, S. A.
dc.date1999-09-04
dc.date.accessioned2026-07-07T04:26:58Z
dc.date.available2026-07-07T04:26:58Z
dc.descriptionThe 3D vector van der Waals (or conformal) nonlinear sigma-model is proposed. It is shown that it has the "hedgehog"-like topological excitations with logarithmic energy. Their "neutral" configurations have nontrivial topological structures described by Hopf invariant. A possible influence of these excitations on the properties of the model are discussed.
dc.description14 pages, a talk given at seminar "Properties and Dynamics of Liquid Crystals", 23 August, MPIPKS, Dresden, Germany
dc.identifierhttps://arxiv.org/abs/hep-th/9909023
dc.identifierhttp://arxiv.org/abs/hep-th/9909023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/56252
dc.subjectHigh Energy Physics - Theory
dc.subjectCondensed Matter
dc.title3D van der Waals sigma-model and topological excitations with logarithmic energy
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