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Title: Three energy scales in the superconducting state of hole-doped cuprates detected by electronic Raman scattering

Abstract

We explore by electronic Raman scattering the superconducting state of the Bi2Sr2CaCu2O8+δ (Bi-2212) crystal by performing a fine-tuned doping study. We find three distinct energy scales in A1g, B1g, and B2g symmetries which show three distinct doping dependencies. Above p=0.22, the three energies merge; below p=0.12, the A1g scale is no longer detectable, while the B1g and B2g scales become constant in energy. In between, the A1g and B1g scales increase monotonically with underdoping, while the B2g one exhibits a maximum at p=0.16. The three superconducting energy scales appear to be a universal feature of hole-doped cuprates. Furthermore, we propose that the nontrivial doping dependencies of the three scales originate from the Fermi-surface changes and reveal competing orders inside the superconducting dome.

Authors:
 [1];  [2];  [1];  [1];  [1];  [2];  [2];  [3];  [3];  [1]
  1. Univ. Paris Diderot-Paris, Paris Cedex (France)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Service de Physique de l'Etat Condense, Gif-sur-Yvette (France)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1235854
Report Number(s):
BNL-111600-2015-JA
Journal ID: ISSN 1098-0121; PRBMDO; R&D Project: PO010; KC0201060
Grant/Contract Number:  
SC00112704
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 13; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Benhabib, S., Gu, G. D., Gallais, Y., Cazayous, M., Measson, M. -A., Zhong, R. D., Schneeloch, J., Forget, A., Colson, D., and Sacuto, A. Three energy scales in the superconducting state of hole-doped cuprates detected by electronic Raman scattering. United States: N. p., 2015. Web. doi:10.1103/PhysRevB.92.134502.
Benhabib, S., Gu, G. D., Gallais, Y., Cazayous, M., Measson, M. -A., Zhong, R. D., Schneeloch, J., Forget, A., Colson, D., & Sacuto, A. Three energy scales in the superconducting state of hole-doped cuprates detected by electronic Raman scattering. United States. https://doi.org/10.1103/PhysRevB.92.134502
Benhabib, S., Gu, G. D., Gallais, Y., Cazayous, M., Measson, M. -A., Zhong, R. D., Schneeloch, J., Forget, A., Colson, D., and Sacuto, A. 2015. "Three energy scales in the superconducting state of hole-doped cuprates detected by electronic Raman scattering". United States. https://doi.org/10.1103/PhysRevB.92.134502. https://www.osti.gov/servlets/purl/1235854.
@article{osti_1235854,
title = {Three energy scales in the superconducting state of hole-doped cuprates detected by electronic Raman scattering},
author = {Benhabib, S. and Gu, G. D. and Gallais, Y. and Cazayous, M. and Measson, M. -A. and Zhong, R. D. and Schneeloch, J. and Forget, A. and Colson, D. and Sacuto, A.},
abstractNote = {We explore by electronic Raman scattering the superconducting state of the Bi2Sr2CaCu2O8+δ (Bi-2212) crystal by performing a fine-tuned doping study. We find three distinct energy scales in A1g, B1g, and B2g symmetries which show three distinct doping dependencies. Above p=0.22, the three energies merge; below p=0.12, the A1g scale is no longer detectable, while the B1g and B2g scales become constant in energy. In between, the A1g and B1g scales increase monotonically with underdoping, while the B2g one exhibits a maximum at p=0.16. The three superconducting energy scales appear to be a universal feature of hole-doped cuprates. Furthermore, we propose that the nontrivial doping dependencies of the three scales originate from the Fermi-surface changes and reveal competing orders inside the superconducting dome.},
doi = {10.1103/PhysRevB.92.134502},
url = {https://www.osti.gov/biblio/1235854}, journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 13,
volume = 92,
place = {United States},
year = {Tue Oct 06 00:00:00 EDT 2015},
month = {Tue Oct 06 00:00:00 EDT 2015}
}

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Cited by: 9 works
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Works referencing / citing this record:

Effective SU(2) theory for the pseudogap state
journal, March 2017