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Topological order in the (2+1)D compact lattice superconductor
KTH, School of Engineering Sciences (SCI), Theoretical Physics, Statistical Physics.ORCID iD: 0000-0002-9881-7857
2005 (English)In: Europhysics letters, ISSN 0295-5075, E-ISSN 1286-4854, Vol. 69, no 2, 256-262 p.Article in journal (Refereed) Published
Abstract [en]

We study topological aspects of a compact lattice superconductor, and show that the characteristic energy splitting, Delta, between almost degenerate ground states, is simply related to a novel order parameter (W) over tilde, which is closely related to large Wilson loops. Using Monte Carlo methods, we study the scaling properties of (W) over tilde close to the deconfining phase transition, and conclude that Delta similar to e(-L/xi), where L is the size of the system, thus giving quantitative support to the vortex tunneling scenario proposed by Wen.

Place, publisher, year, edition, pages
2005. Vol. 69, no 2, 256-262 p.
Keyword [en]
quantum hall states, abelian higgs model, phase-transitions, gauge-theories, confinement, liquid, excitations
URN: urn:nbn:se:kth:diva-14534DOI: 10.1209/ep1/i2004-10320-5ISI: 000227035700017ScopusID: 2-s2.0-12344288646OAI: diva2:332575
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Lidmar, Jack
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