Publication: Competition between Superconductivity and Nematic Order: Anisotropy of Superconducting Coherence Length
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Date
2012
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American Physical Society
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Moon, Eun-Gook, and Subir Sachdev. 2012. Competition between superconductivity and nematic order: Anisotropy of superconducting coherence length. Physical Review B 85(18): 184511.
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Abstract
We study the interplay between nematic order and superconductivity, motivated by a recent experiment on FeSe observing strongly distorted vortex shapes [Song et al. Science 332 1410 (2011)]. We show that the nematic order strongly enhances the anisotropy in the superconducting coherence length, beyond that expected from considerations of the Ginzburg-Landau theory. We obtain universal functions describing the coupling between the nematic order and superconductivity, and discuss connections of our results to the experiments.
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Keywords
strongly correlated electrons
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