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Topology of linked defects in condensed matter - MaRDI portal

Topology of linked defects in condensed matter (Q1073395)

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scientific article; zbMATH DE number 3944852
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Topology of linked defects in condensed matter
scientific article; zbMATH DE number 3944852

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    Topology of linked defects in condensed matter (English)
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    1986
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    The present paper contains a systematic study of several linked singularities in condensed matter. We introduce a hierarchy of conservation laws in terms of differential forms corresponding to a sequence of linking invariants so that we can distinguish nontrivial links possessing zero Gauss linking coefficients. We obtain a set of topological obstruction rules for links in nematics, cholesterics, and superfluid \({}^ 3He\) and \({}^ 4He\).
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    linked singularities in condensed matter
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    conservation laws
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    linking invariants
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