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Title: Fermi-surface-free superconductivity in underdoped (Bi,Pb)(Sr,La)2CuO6+δ (Bi2201)

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep09739· OSTI ID:1347096
 [1];  [2];  [2];  [2]
  1. Northeastern Univ., Boston, MA (United States). Dept. of Physics
  2. Northeastern Univ., Boston, MA (United States). Dept. of Physics

Fermi-surface-free superconductivity arises when the superconducting order pulls down spectral weight from a band that is completely above the Fermi energy in the normal state. Here, we show that this can arise in hole-doped cuprates when a competing order causes a reconstruction of the Fermi surface. The change in Fermi surface topology is accompanied by a characteristic rise in the spectral weight. Finally, our results support the presence of a trisected superconducting dome, and suggest that superconductivity is responsible for stabilizing the (π,π) magnetic order at higher doping.

Research Organization:
Northeastern Univ., Boston, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-07ER46352; AC02-05CH11231
OSTI ID:
1347096
Journal Information:
Scientific Reports, Vol. 5, Issue 1; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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