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Title: Nematic fluctuations in the cuprate superconductor Bi2Sr2CaCu2O8+δ

Abstract

Establishing the presence and the nature of a quantum critical point in their phase diagram is a central enigma of the high-temperature superconducting cuprates. It could explain their pseudogap and strange metal phases, and ultimately their high superconducting temperatures. Yet, while solid evidences exist in several unconventional superconductors of ubiquitous critical fluctuations associated to a quantum critical point, in the cuprates they remain undetected until now. Here using symmetry-resolved electronic Raman scattering in the cuprate Bi2Sr2CaCu2O8+δ, we report the observation of enhanced electronic nematic fluctuations near the endpoint of the pseudogap phase. While our data hint at the possible presence of an incipient nematic quantum critical point, the doping dependence of the nematic fluctuations deviates significantly from a canonical quantum critical scenario. The observed nematic instability rather appears to be tied to the presence of a van Hove singularity in the band structure.

Authors:
ORCiD logo [1];  [1];  [1];  [1]; ORCiD logo [2];  [2]; ORCiD logo [2];  [3];  [3];  [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Univ. de Paris (France)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Service de Physique de lÉtat Condensé, Gif-sur-Yvette cedex (France)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1583110
Report Number(s):
BNL-213529-2020-JAAM
Journal ID: ISSN 2041-1723; TRN: US2101089
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 10; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Auvray, N., Loret, B., Benhabib, S., Cazayous, M., Zhong, R. D., Schneeloch, J., Gu, G. D., Forget, A., Colson, D., Paul, I., Sacuto, A., and Gallais, Y. Nematic fluctuations in the cuprate superconductor Bi2Sr2CaCu2O8+δ. United States: N. p., 2019. Web. doi:10.1038/s41467-019-12940-w.
Auvray, N., Loret, B., Benhabib, S., Cazayous, M., Zhong, R. D., Schneeloch, J., Gu, G. D., Forget, A., Colson, D., Paul, I., Sacuto, A., & Gallais, Y. Nematic fluctuations in the cuprate superconductor Bi2Sr2CaCu2O8+δ. United States. https://doi.org/10.1038/s41467-019-12940-w
Auvray, N., Loret, B., Benhabib, S., Cazayous, M., Zhong, R. D., Schneeloch, J., Gu, G. D., Forget, A., Colson, D., Paul, I., Sacuto, A., and Gallais, Y. Fri . "Nematic fluctuations in the cuprate superconductor Bi2Sr2CaCu2O8+δ". United States. https://doi.org/10.1038/s41467-019-12940-w. https://www.osti.gov/servlets/purl/1583110.
@article{osti_1583110,
title = {Nematic fluctuations in the cuprate superconductor Bi2Sr2CaCu2O8+δ},
author = {Auvray, N. and Loret, B. and Benhabib, S. and Cazayous, M. and Zhong, R. D. and Schneeloch, J. and Gu, G. D. and Forget, A. and Colson, D. and Paul, I. and Sacuto, A. and Gallais, Y.},
abstractNote = {Establishing the presence and the nature of a quantum critical point in their phase diagram is a central enigma of the high-temperature superconducting cuprates. It could explain their pseudogap and strange metal phases, and ultimately their high superconducting temperatures. Yet, while solid evidences exist in several unconventional superconductors of ubiquitous critical fluctuations associated to a quantum critical point, in the cuprates they remain undetected until now. Here using symmetry-resolved electronic Raman scattering in the cuprate Bi2Sr2CaCu2O8+δ, we report the observation of enhanced electronic nematic fluctuations near the endpoint of the pseudogap phase. While our data hint at the possible presence of an incipient nematic quantum critical point, the doping dependence of the nematic fluctuations deviates significantly from a canonical quantum critical scenario. The observed nematic instability rather appears to be tied to the presence of a van Hove singularity in the band structure.},
doi = {10.1038/s41467-019-12940-w},
journal = {Nature Communications},
number = 1,
volume = 10,
place = {United States},
year = {Fri Nov 15 00:00:00 EST 2019},
month = {Fri Nov 15 00:00:00 EST 2019}
}

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Phase competition in trisected superconducting dome
text, January 2012


Quantum critical point lying beneath the superconducting dome in iron-pnictides
text, January 2013


Two types of nematicity in the phase diagram of the cuprate superconductor YBa$_2$Cu$_3$O$_y$
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Intra-unit-cell electronic nematicity of the high-Tc copper-oxide pseudogap states
journal, July 2010

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Spontaneous breaking of rotational symmetry in copper oxide superconductors
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Thermodynamic evidence for a nematic phase transition at the onset of the pseudogap in YBa2Cu3Oy
journal, July 2017

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journal, March 2014


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journal, August 2010


Scattering and Pairing in Cuprate Superconductors
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Broken rotational symmetry in the pseudogap phase of a high-Tc superconductor
text, January 2009


Phase competition in trisected superconducting dome
text, January 2012


Nematicity in stripe ordered cuprates probed via resonant x-ray scattering
text, January 2016


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text, January 2016


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text, January 2016


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text, January 2001


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text, January 2004


Mean-field theory for symmetry-breaking Fermi surface deformations on a square lattice
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Dynamical charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor
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