Skyrmionic state and stable half-quantum vortices in chiral p-wave superconductors
2012 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 86, no 6, 060514- p.Article in journal (Refereed) Published
Observability of half-quantum vortices and skyrmions in p-wave superconductors is an outstanding open question. Under the most common conditions, fractional flux vortices are not thermodynamically stable in bulk samples. Here we show that in chiral p-wave superconductors, there is a regime where, in contrast, lattices of integer-flux vortices are not thermodynamically stable. Instead, skyrmions made of spatially separated half-quantum vortices are the topological defects produced by an applied external field.
Place, publisher, year, edition, pages
2012. Vol. 86, no 6, 060514- p.
Superfluid He-3, Vortex, Lattices, Sr2ruo4, Upt3
IdentifiersURN: urn:nbn:se:kth:diva-103153DOI: 10.1103/PhysRevB.86.060514ISI: 000308127600003ScopusID: 2-s2.0-84865679796OAI: oai:DiVA.org:kth-103153DiVA: diva2:559426
FunderSwedish Research CouncilKnut and Alice Wallenberg Foundation
QC 201210092012-10-092012-10-042012-10-09Bibliographically approved