期刊
PHYSICAL REVIEW LETTERS
卷 114, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.097001
关键词
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资金
- NSF DMR [1265593]
- ABB Fellowship at Stanford
- Israel Science Foundation [1291/12]
- Israel-US Binational Science Foundation at Weizmann [2012079]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1265593] Funding Source: National Science Foundation
We consider a low T-c metallic superconductor weakly coupled to the soft fluctuations associated with proximity to a nematic quantum critical point (NQCP). We show that (1) a BCS-Eliashberg treatment remains valid outside of a parametrically narrow interval about the NQCP, (2) the symmetry of the superconducting state (d wave, s wave, p wave) is typically determined by the noncritical interactions, but T-c is enhanced by the nematic fluctuations in all channels, and (3) in 2D, this enhancement grows upon approach to criticality up to the point at which the weak coupling approach breaks down, but in 3D, the enhancement is much weaker.
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