Observation of vortex coalescence in the anisotropic spin-triplet superconductor Sr2RuO4

Autor: V O, Dolocan, C, Veauvy, F, Servant, P, Lejay, K, Hasselbach, Y, Liu, D, Mailly
Rok vydání: 2004
Zdroj: Physical review letters. 95(9)
ISSN: 0031-9007
Popis: We present direct imaging of magnetic flux structures over the ab face of the anisotropic, spin-triplet superconductor Sr2RuO4 using a scanning microSQUID force microscope. Individual vortices with a single flux quantum were observed at low magnetic fields applied along the out-of-pane direction. At intermediate fields, the direct imaging revealed coalescing of vortices and the formation of flux domains. Our observations imply the existence of a mechanism in this material for bringing vortices together overcoming the conventional repulsive vortex-vortex interaction.
Databáze: OpenAIRE