Eschrig, Matthias, Ferrer, J and Fogelstrom, M (2001) Mixed-parity superconductivity in Sr2RuO4. Physical Review B, 63 (22).
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We show that in Sr2RuO4 the Fermi surface geometry as inferred from angle resolved photoemission experiments has important implications for a pairing interaction dominated by incommensurate, strongly anisotropic, spin fluctuations. For a spin fluctuation spectrum consistent with inelastic neutron-scattering experiments the system is close to an accidental degeneracy between even parity spin singlet and odd parity spin triplet channels. This opens the possibility of a mixed parity order parameter state in Sr2RuO4 We determine the stable and metastable order parameter phases at low-temperatures and discuss especially phases with order parameter nodes.
This is a Submitted version This version's date is: 24/5/2001 This item is not peer reviewed
https://repository.royalholloway.ac.uk/items/30411ee7-9dad-e94d-9ec8-4e62c67b2ace/3/
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