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Glass Transitions in Monodisperse Cluster-Forming Ensembles: Vortex Matter in Type-1.5 Superconductors
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2017 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 118, no 6, 067001Article in journal (Refereed) Published
Abstract [en]

At low enough temperatures and high densities, the equilibrium configuration of an ensemble of ultrasoft particles is a self-assembled, ordered, cluster crystal. In the present Letter, we explore the out-of-equilibrium dynamics for a two-dimensional realization, which is relevant to superconducting materials with multiscale intervortex forces. We find that, for small temperatures following a quench, the suppression of the thermally activated particle hopping hinders the ordering. This results in a glass transition for a monodispersed ensemble, for which we derive a microscopic explanation in terms of an "effective polydispersity" induced by multiscale interactions. This demonstrates that a vortex glass can form in clean systems of thin films of "type-1.5" superconductors. An additional setup to study this physics can be layered superconducting systems, where the shape of the effective vortex-vortex interactions can be engineered.

Place, publisher, year, edition, pages
American Physical Society, 2017. Vol. 118, no 6, 067001
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-203154DOI: 10.1103/PhysRevLett.118.067001ISI: 000393517200016PubMedID: 28234534OAI: oai:DiVA.org:kth-203154DiVA: diva2:1081959
Note

QC 20170315

Available from: 2017-03-15 Created: 2017-03-15 Last updated: 2017-03-15Bibliographically approved

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