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Vortex matter, effective magnetic charges, and generalizations of the dipolar superfluidity concept in layered systems
2008 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 77, no 5Article in journal (Refereed) Published
Abstract [en]

In the first part of this paper, we discuss electrodynamics of an excitonic condensate in a bilayer. We show that under certain conditions, the system has a dominant energy scale and is described by the effective electrodynamics with "planar magnetic charges." In the second part of the paper, we point out that a vortex liquid state in bilayer superconductors also possesses dipolar superfluid modes and establish equivalence mapping between this state and a dipolar excitonic condensate. We point out that a vortex liquid state in a N-layer superconductor possesses multiple topologically coupled dipolar superfluid modes and therefore represents a generalization of the dipolar superfluidity concept.

Place, publisher, year, edition, pages
2008. Vol. 77, no 5
Keyword [en]
spatially separated electrons, ii superconductors, phase-transitions, vortices, holes, fluctuations, coherence, diagram
Identifiers
URN: urn:nbn:se:kth:diva-17357DOI: 10.1103/PhysRevB.77.054512ISI: 000253764000096Scopus ID: 2-s2.0-40749154408OAI: oai:DiVA.org:kth-17357DiVA: diva2:335401
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Babaev, Egor
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