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Title: Fermi surface reconstruction in electron-doped cuprates without antiferromagnetic long-range order

Journal Article · · Proceedings of the National Academy of Sciences of the United States of America
ORCiD logo [1];  [1];  [2];  [1];  [3];  [4];  [5];  [1];  [1];  [1]; ORCiD logo [1];  [3];  [1]; ORCiD logo [1];  [1]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
  2. Harvard Univ., Cambridge, MA (United States)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Stanford Univ., Stanford, CA (United States)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States); Harvard Univ., Cambridge, MA (United States)
+ Show Author Affiliations

Fermi surface (FS) topology is a fundamental property of metals and superconductors. In electron-doped cuprate Nd2-xCexCuO4(NCCO), an unexpected FS reconstruction has been studied in optimal- and overdoped regime (x= 0.15-0.17) by quantum oscillation measurements (QOM). This is all the more puzzling because neutron scattering suggests that the antiferromagnetic (AFM) long-range order, which is believed to reconstruct the FS, vanishes beforex= 0.14. To reconcile the conflict, a widely discussed external magnetic-field–induced AFM long-range order in QOM explains the FS reconstruction as an extrinsic property. Here, we report angle-resolved photoemission (ARPES) evidence of FS reconstruction in optimal- and overdoped NCCO. The observed FSs are in quantitative agreement with QOM, suggesting an intrinsic FS reconstruction without field. This reconstructed FS, despite its importance as a basis to understand electron-doped cuprates, cannot be explained under the traditional scheme. Moreover, the energy gap of the reconstruction decreases rapidly near x = 0.17 like an order parameter, echoing the quantum critical doping in transport. The totality of the data points to a mysterious order betweenx= 0.14 and 0.17, whose appearance favors the FS reconstruction and disappearance defines the quantum critical doping. A recent topological proposal presents an ansatz for its origin.

Research Organization:
SLAC National Accelerator Lab. (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division
Grant/Contract Number:
AC02-76SF00515; AC02-05CH11231
OSTI ID:
1506229
Journal Information:
Proceedings of the National Academy of Sciences of the United States of America, Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Issue: 9 Vol. 116; ISSN 0027-8424
Publisher:
National Academy of Sciences, Washington, DC (United States)Copyright Statement
Country of Publication:
United States
Language:
English

References (35)

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Topological order, emergent gauge fields, and Fermi surface reconstruction journal November 2018
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Shubnikov-de Haas quantum oscillations reveal a reconstructed Fermi surface near optimal doping in a thin film of the cuprate superconductor Pr 1.86 Ce 0.14 CuO 4 ± δ journal September 2016
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Direct Observation of a Nonmonotonic dx2-y2-Wave Superconducting Gap in the Electron-Doped High-Tc Superconductor Pr0.89LaCe0.11CuO4 journal July 2005
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Progress and perspectives on electron-doped cuprates journal September 2010
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Progress and perspectives on the electron-doped cuprates text January 2009
Fermi Surface of the Electron-doped Cuprate Superconductor Nd_{2-x}Ce_xCuO_{4} Probed by High-Field Magnetotransport text January 2011
Charge ordering in the electron-doped superconductor Nd2-xCexCuO4 text January 2014
Transport anomalies and quantum criticality in electron-doped cuprate superconductors text January 2016
Topological order, emergent gauge fields, and Fermi surface reconstruction text January 2018
Quantum oscillations from the reconstructed Fermi surface in electron-doped cuprate superconductors text January 2018
Direct Observation of Non-Monotonic dx2-y2-Wave Superconducting Gap in Electron-Doped High-Tc Superconductor Pr0.89LaCe0.11CuO4 text January 2004

Cited By (7)

Strange Metallic Transport in the Antiferromagnetic Regime of Electron Doped Cuprates preprint January 2020
Emergence of pseudogap from short-range spin-correlations in electron-doped cuprates journal January 2020
Reconstruction of the Bi 2 Sr 2 CaCu 2 O 8 + δ Fermi surface journal December 2019
Gauge theory for the cuprates near optimal doping journal February 2019
Pseudogap and Fermi arcs in underdoped cuprates journal June 2019
Gauge theory for the cuprates near optimal doping text January 2018
Emergence of pseudogap from short-range spin-correlations in electron doped cuprates text January 2018

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36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
angle-resolved photoemission
high-temperature superconductors
point
quantum critical
strongly correlated electrons
topological order