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Magnetoresistance oscillation study of the half-quantum vortex in doubly connected mesoscopic superconducting cylinders of Sr2RuO4
Xinxin Cai, Brian M. Zakrzewski, Yiqun A. Ying +6
The observation of the highly unusual half-quantum vortex (HQV) in a single crystalline superconductor excludes unequivocally the spin-singlet symmetry of the superconducting order…
Impurity induced double transitions for accidentally degenerate unconventional pairing states
Bastian Zinkl, Manfred Sigrist
Non-magnetic impurities can lift the accidental degeneracy of unconventional pairing states, such as the -wave state recently proposed for SrRuO. This type of ef…
Impurity induced magnetic ordering in SrRuO
Bastian Zinkl, Manfred Sigrist
Ti substituting Ru in SrRuO in small concentrations induces incommensurate spin density wave order with a wave vector corresponding t…
Half-quantum vortices on c-axis domain walls in chiral p-wave superconductors
Sarah B. Etter, Wen Huang, Manfred Sigrist
Chiral superconductors are two-fold degenerate and domains of opposite chirality can form, separated by domain walls. There are indications of such domain formation in the quasi tw…
Phenomenology of the chiral -wave state in the hexagonal pnictide superconductor SrPtAs
Hikaru Ueki, Shoma Inagaki, Ryota Tamura +5
The pairing symmetry of the hexagonal pnictide superconductor SrPtAs is discussed with taking into account its multiband structure. The topological chiral -wave state with time-…
Solitonic in-gap modes in a superconductor-quantum antiferromagnet interface
J. L. Lado, M. Sigrist
Bound states at interfaces between superconductors and other materials are a powerful tool to characterize the nature of the involved systems, and to engineer elusive quantum excit…