Phys. Rev. B 55, 3181–3185 (1997)Mixed (s+id)-wave order parameters in the Van Hove scenarioReceived 20 August 1996; published in the issue dated 1 February 1997 In the Van Hove scenario including orthorhombic distortion effect, we develop a pair of coupled gap equations for the mixed (s+id)-wave order parameter. It is found that a mixed s+id symmetry state is realized in a certain range of relative strength of the s and d interactions, and there are two second-order transitions between the mixed and the pure symmetry states. Particular attention is paid to the temperature dependence of two components in the mixed order parameter as well as their evolution from a pure s to a pure d symmetry state. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.55.3181
DOI:
10.1103/PhysRevB.55.3181
PACS:
74.20.Fg, 74.72.-h, 74.25.Dw
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