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Title: The vanishing superfluid density in cuprates — and why it matters

Recently, we have released the results of a comprehensive study of a couple thousand single-crystal La 2-xSr xCuO 4 films, covering densely the entire overdoped side of the phase diagram. Here in this paper, we review the key experimental findings, place them in the context of other important well-established facts and observations, and discuss their implications for our understanding of high-temperature superconductivity in cuprates. We conclude that it involves some new physics that requires going beyond the standard Fermi Liquid description of the normal state and Bardeen-Cooper-Schrieffer description of the superconducting state.
Authors:
ORCiD logo [1] ;  [1] ;  [2] ;  [2]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States); Yale Univ., New Haven, CT (United States). Dept. of Applied Physics
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Report Number(s):
BNL-205808-2018-JAAM
Journal ID: ISSN 1557-1939; PII: 4792
Grant/Contract Number:
SC0012704
Type:
Accepted Manuscript
Journal Name:
Journal of Superconductivity and Novel Magnetism
Additional Journal Information:
Journal Volume: 31; Journal Issue: 9; Journal ID: ISSN 1557-1939
Publisher:
Springer
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; High temperature superconductivity; cuprate; thin films; molecular beam epitaxy; superfluid density
OSTI Identifier:
1457354

Bozovic, Ivan, He, X., Wu, J., and Bollinger, A. T.. The vanishing superfluid density in cuprates — and why it matters. United States: N. p., Web. doi:10.1007/s10948-018-4792-7.
Bozovic, Ivan, He, X., Wu, J., & Bollinger, A. T.. The vanishing superfluid density in cuprates — and why it matters. United States. doi:10.1007/s10948-018-4792-7.
Bozovic, Ivan, He, X., Wu, J., and Bollinger, A. T.. 2018. "The vanishing superfluid density in cuprates — and why it matters". United States. doi:10.1007/s10948-018-4792-7.
@article{osti_1457354,
title = {The vanishing superfluid density in cuprates — and why it matters},
author = {Bozovic, Ivan and He, X. and Wu, J. and Bollinger, A. T.},
abstractNote = {Recently, we have released the results of a comprehensive study of a couple thousand single-crystal La2-xSrxCuO4 films, covering densely the entire overdoped side of the phase diagram. Here in this paper, we review the key experimental findings, place them in the context of other important well-established facts and observations, and discuss their implications for our understanding of high-temperature superconductivity in cuprates. We conclude that it involves some new physics that requires going beyond the standard Fermi Liquid description of the normal state and Bardeen-Cooper-Schrieffer description of the superconducting state.},
doi = {10.1007/s10948-018-4792-7},
journal = {Journal of Superconductivity and Novel Magnetism},
number = 9,
volume = 31,
place = {United States},
year = {2018},
month = {7}
}

Works referenced in this record:

High-temperature interface superconductivity between metallic and insulating copper oxides
journal, October 2008
  • Gozar, A.; Logvenov, G.; Kourkoutis, L. Fitting
  • Nature, Vol. 455, Issue 7214, p. 782-785
  • DOI: 10.1038/nature07293