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Title: Pairing interaction near a nematic quantum critical point of a three-band CuO2 model

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [2]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Computer Science and Mathematics Division. Center for Nanophase Materials Sciences
  2. Univ. of California, Santa Barbara, CA (United States). Dept. of Physics
+ Show Author Affiliations

In this paper, we calculate the pairing interaction and the k dependence of the gap function associated with the nematic charge fluctuations of a CuO2 model.We find that the nematic pairing interaction is attractive for small momentum transfer and that it gives rise to d-wave pairing. Finally, as the doping p approaches a quantum critical point, the strength of this pairing increases and higher d-wave harmonics contribute to the k dependence of the superconducting gap function, reflecting the longer range nature of the nematic fluctuations.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1286715
Alternate ID(s):
OSTI ID: 1179871
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 90, Issue 17; ISSN 1098-0121
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 53 works
Citation information provided by
Web of Science

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Cited By (9)

Local orthorhombic lattice distortions in the paramagnetic tetragonal phase of superconducting NaFe1−xNixAs journal August 2018
Nematic quantum critical point without magnetism in FeSe 1− x S x superconductors journal July 2016
Superconductivity and non-Fermi liquid behavior near a nematic quantum critical point journal April 2017
Nanoscale electrodynamics of strongly correlated quantum materials journal November 2016
In-plane transport anisotropy in a Ba 1− x K x Fe 2 As 2 iron-based superconductor journal September 2019
Enhanced superconductivity due to forward scattering in FeSe thin films on SrTiO 3 substrates journal February 2016
Distinctive orbital anisotropy observed in the nematic state of a FeSe thin film journal September 2016
NMR study of nematic spin fluctuations in a detwinned single crystal of underdoped Ba ( Fe 1 − x Co x ) 2 As 2 journal October 2016
Nematic quantum critical point without magnetism in FeSe1-xSx superconductors text January 2016

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