Effective Lagrangian and Topological Interactions in Supersolids

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dc.creatorSon, D. T.
dc.date2005-01-27
dc.date2005-05-04
dc.date.accessioned2026-07-07T03:03:28Z
dc.date.available2026-07-07T03:03:28Z
dc.descriptionWe construct a low-energy effective Lagrangian describing zero-temperature supersolids. Galilean invariance imposes strict constraints on the form of the effective Lagrangian. We identify a topological term in the Lagrangian that couples superfluid and crystalline modes. For small superfluid fractions this interaction term is dominant in problems involving defects. As an illustration, we compute the differential cross section of scatterings of low-energy transverse elastic phonons by a superfluid vortex. The result is model-independent.
dc.description10 pages, 1 figure; one reference added
dc.identifierhttps://arxiv.org/abs/cond-mat/0501658
dc.identifierhttp://arxiv.org/abs/cond-mat/0501658
dc.identifierPhys.Rev.Lett. 94 (2005) 175301
dc.identifierdoi:10.1103/PhysRevLett.94.175301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/25762
dc.subjectOther Condensed Matter
dc.subjectHigh Energy Physics - Phenomenology
dc.titleEffective Lagrangian and Topological Interactions in Supersolids
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