On Local Symmetric Order Parameters of Vortex Lattice States

This paper gives a new refined definition of local symmetric order parameters (OPs) (s-wave, d-wave and p-wave order parameters) of vortex lattice states for singlet superconductivity. s-wave, d-wave and p-wave OPs at a site (m,n) are defined as A, B and E representations of the four-fold rotation C...

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Bibliographic Details
Published in:Progress of theoretical and experimental physics 1999-03, Vol.101 (3), p.769-774
Main Authors: Ozaki, Masa-aki, Hori, Yoshiki, Goto, Akira
Format: Article
Language:English
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Summary:This paper gives a new refined definition of local symmetric order parameters (OPs) (s-wave, d-wave and p-wave order parameters) of vortex lattice states for singlet superconductivity. s-wave, d-wave and p-wave OPs at a site (m,n) are defined as A, B and E representations of the four-fold rotation C 4 at the site (m,n) of nearest neighbor OPs ≪a (m,n)↓ a (m+1,n)↑>, etc.The new OPs have a well-defined nature such that an OP (e.g. d-wave) at the site obtained under translation by a lattice vector (of the vortex lattice) from a site (m,n) is expressed by the corresponding OP (e.g. d-wave) at the site (m,n) times a phase factor.The winding numbers of s-wave and d-wave OPs are given.
ISSN:0033-068X
2050-3911
1347-4081
DOI:10.1143/PTP.101.769