SO(4) Theory of Antiferromagnetism and Superconductivity in Bechgaard Salts

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SO(4) Theory of Antiferromagnetism and Superconductivity in Bechgaard Salts

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Title: SO(4) Theory of Antiferromagnetism and Superconductivity in Bechgaard Salts
Author: Podolsky, Daniel; Altman, Ehud; Rostunov, Timofey; Demler, Eugene A.

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Citation: Podolsky, Daniel, Ehud Altman, Timofey Rostunov, and Eugene Demler. 2004. “SO(4) Theory of Antiferromagnetism and Superconductivity in Bechgaard Salts.” Physical Review Letters 93 (24) (December 6). doi:10.1103/physrevlett.93.246402.
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Abstract: Motivated by recent experiments with Bechgaard salts, we investigate the competition between antiferromagnetism and triplet superconductivity in quasi-one-dimensional electron systems. We unify the two orders in an SO(4) symmetric framework, demonstrating the existence of such symmetry in one-dimensional Luttinger liquids. SO(4) symmetry strongly constrains the phase diagram, leading to coexistence regions of antiferromagnetic, superconducting, and normal phases, as observed in TMTSF2PF6. We predict a sharp neutron scattering resonance in superconducting samples.
Published Version: doi:10.1103/PhysRevLett.93.246402
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:27899427
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