English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Triplet superconductivity in Sr_2RuO_4 is investigated with main interest onits internal degree of freedom. We perform a microscopic calculation toinvestigate how the chiral state d(k) = (k_x \pm ik_y)z is realized among theunderlying six degenerate states. Starting from the three band Hubbard modelwith spin-orbit interaction, we use a perturbation theory in order to calculatethe pairing interaction. The p-wave superconductivity with T_c \sim 1.5K isobtained in the moderately weak coupling region. It is shown that the orbitaldependent superconductivity (ODS) robustly appears in Sr_2RuO_4. We determinethe stabilized state by solving the Eliashberg equations. It is found that theHund coupling term as well as the spin-orbit interaction is necessary for the``symmetry breaking interaction''. The main result is that the chiral state isstabilized in case of the p-wave symmetry with the main \gamma-band, which isobtained in the perturbation theory. When we assume the other pairing symmetryincluding the f-wave state, the symmetry breaking interaction gives the otherD-vector. The electronic structure constructed from the t_2g-orbitals isessential for this result.Comment: To appear in J. Phys. Soc. Jpn. Vol.72 (2003) No.

Microscopic Identification of theD-vector in Triplet Superconductor Sr2RuO4

Microscopic Identification of theD-vector in Triplet Superconductor Sr₂RuO₄