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Condensed Matter > Other Condensed Matter

arXiv:cond-mat/0501658 (cond-mat)
[Submitted on 27 Jan 2005 (v1), last revised 4 May 2005 (this version, v2)]

Title:Effective Lagrangian and Topological Interactions in Supersolids

Authors:D.T. Son (INT)
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Abstract: We 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.
Comments: 10 pages, 1 figure; one reference added
Subjects: Other Condensed Matter (cond-mat.other); High Energy Physics - Phenomenology (hep-ph)
Report number: INT-PUB 05-06
Cite as: arXiv:cond-mat/0501658 [cond-mat.other]
  (or arXiv:cond-mat/0501658v2 [cond-mat.other] for this version)
  https://doi.org/10.48550/arXiv.cond-mat/0501658
Journal reference: Phys.Rev.Lett. 94 (2005) 175301
Related DOI: https://doi.org/10.1103/PhysRevLett.94.175301

Submission history

From: Dam Thanh Son [view email]
[v1] Thu, 27 Jan 2005 19:05:25 UTC (11 KB)
[v2] Wed, 4 May 2005 21:59:03 UTC (11 KB)
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