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arXiv · cond-mat/9702148

Orbital dependent superconductivity in Sr_2RuO_4

D. F. Agterberg·T. M. Rice·M. Sigrist
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Abstract

We show that for superconducting Sr_2RuO_4 any unconventional pairing in the part of the Fermi surface with Ru 4d-xy orbital character is weakly coupled to that with Ru 4d-xz, 4d-yz orbital character. This naturally gives rise to two disparate energy scales in the superconducting state which leads to novel low temperature properties in a variety of thermodynamic and transport properties and which would also account for the large residual density of states seen in specific heat and NQR measurements.

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D. F. Agterberg, T. M. Rice, M. Sigrist. 1997-02-17. Orbital dependent superconductivity in Sr_2RuO_4. https://doi.org/10.1103/physrevlett.78.3374

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