期刊
SCIENCE
卷 343, 期 6169, 页码 390-392出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1242996
关键词
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资金
- Max Planck-UBC Centre for Quantum Materials
- Killam, Alfred P. Sloan, Alexander von Humboldt
- National Sciences and Engineering Research Council (NSERC)'s Steacie Memorial Fellowships
- Canada Research Chairs Program
- NSERC
- Canada Foundation for Innovation (CFI)
- Canadian Institute for Advanced Research Quantum Materials
- U.S. NSF [DMR-0847433]
- A*STAR fellowship
- CFI
- National Research Council
- Canadian Institute for Health Research
- Government of Saskatchewan
- WD Canada
- University of Saskatchewan
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0847433] Funding Source: National Science Foundation
The understanding of the origin of superconductivity in cuprates has been hindered by the apparent diversity of intertwining electronic orders in these materials. We combined resonant x-ray scattering (REXS), scanning-tunneling microscopy (STM), and angle-resolved photoemission spectroscopy (ARPES) to observe a charge order that appears consistently in surface and bulk, and in momentum and real space within one cuprate family, Bi2Sr2-xLaxCuO6+delta. The observed wave vectors rule out simple antinodal nesting in the single-particle limit but match well with a phenomenological model of a many-body instability of the Fermi arcs. Combined with earlier observations of electronic order in other cuprate families, these findings suggest the existence of a generic charge-ordered state in underdoped cuprates and uncover its intimate connection to the pseudogap regime.
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