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Nodal quasi-particles and coexisting orders in striped superconductors | | M. Granath
; V. Oganesyan
; S. A. Kivelson
; E. Fradkin
; V. J. Emery
; | | Date: |
23 Oct 2000 | | Journal: | Phys. Rev. Lett.86, 167011 (2001) | | Subject: | Superconductivity | cond-mat.supr-con | | Affiliation: | UCLA), V. Oganesyan (UCLA), S. A. Kivelson (UCLA), E. Fradkin (UIUC), and V. J. Emery (BNL | | Abstract: | We study the properties of a quasi-one dimensional superconductor which consists of an alternating array of two inequivalent chains. This model is a simple charicature of a locally striped high temperature superconductor, and is more generally a theoretically controllable system in which the superconducting state emerges from a non-Fermi liquid normal state. Even in this limit, ``d-wave like’’ order parameter symmetry is natural, but the superconducting state can either have a complete gap in the quasi-particle spectrum, or gapless ``nodal’’ quasiparticles. We also find circumstances in which antiferromagnetic order (typically incommensurate) coexists with superconductivity. | | Source: | arXiv, cond-mat/0010350 | | Services: | Forum | Review | PDF | Favorites | |
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