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Screening and topological order in thin superconducting films
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
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Number of Authors: 52018 (English)In: New Journal of Physics, ISSN 1367-2630, E-ISSN 1367-2630, Vol. 20, article id 083049Article in journal (Refereed) Published
Abstract [en]

We derive an effective two-dimensional low-energy theory for thin superconducting films coupled to a three-dimensional fluctuating electromagnetic field. Using this theory we discuss plasma oscillations, interactions between charges and vortices and extract the energy of a vortex. Having found that the effective theory properly describes the long-distance physics, we then use it to investigate to what extent the superconducting film is a topologically ordered phase of matter.

Place, publisher, year, edition, pages
2018. Vol. 20, article id 083049
Keywords [en]
superconductivity, low-energy effective theory, topological order, two-dimensional superconducting film
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-160057DOI: 10.1088/1367-2630/aadb36ISI: 000443327900005OAI: oai:DiVA.org:su-160057DiVA, id: diva2:1254469
Available from: 2018-10-09 Created: 2018-10-09 Last updated: 2018-10-09Bibliographically approved

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