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Lattices of double-quanta vortices and chirality inversion in p(x) + i p(y) superconductors
KTH, School of Engineering Sciences (SCI), Theoretical Physics.ORCID iD: 0000-0001-5087-3115
KTH, School of Engineering Sciences (SCI), Theoretical Physics, Statistical Physics.
2016 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 94, no 10, 104509Article in journal (Refereed) Published
Abstract [en]

We investigate the magnetization processes of a standard Ginzburg-Landau model for chiral p-wave superconducting states in an applied magnetic field. We find that the phase diagram is dominated by triangular lattices of doubly quantized vortices. Only in close vicinity to the upper critical field the lattice starts to dissociate into a structure of single-quanta vortices. The degeneracy between states with opposite chirality is broken in a nonzero field. If the magnetization starts with an energetically unfavorable chirality, the process of chirality inversion induced by the external magnetic field results in the formation of a sequence of metastable states with characteristic magnetic signatures that can be probed by standard experimental techniques.

Place, publisher, year, edition, pages
American Physical Society , 2016. Vol. 94, no 10, 104509
National Category
Condensed Matter Physics
URN: urn:nbn:se:kth:diva-193805DOI: 10.1103/PhysRevB.94.104509ISI: 000383140500005OAI: diva2:1039395
Swedish Research Council, 642-2013-7837

QC 20161024

Available from: 2016-10-24 Created: 2016-10-11 Last updated: 2016-10-24Bibliographically approved

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