Simultaneous transitions in cuprate momentum-space topology and electronic symmetry breaking Highly Cited Paper

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Title
Simultaneous transitions in cuprate momentum-space topology and electronic symmetry breaking
Author(s)
Fujita, K.; Kim, C.K.; Lee, I.; Jinho Lee; Hamidian, M.H.; Firmo, I.A.; Mukhopadhyay, S.; Eisaki, H.; Uchida, S.; Lawler, M.J.; Kim, E.A.; Davis, J.C.
Publication Date
2014-05
Journal
SCIENCE, v.344, no.6184, pp.612 - 616
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Abstract
The existence of electronic symmetry breaking in the underdoped cuprates and its disappearance with increased hole density p are now widely reported. However, the relation between this transition and the momentum-space (→k‐space) electronic structure underpinning the superconductivity has not yet been established. Here, we visualize the →Q ¼ 0 (intra–unit-cell) and →Q ≠ 0 (density-wave) broken-symmetry states, simultaneously with the coherent →k ‐space topology, for Bi2Sr2CaCu2O8+d samples spanning the phase diagram 0.06 ≤ p ≤ 0.23. We show that the electronic symmetry-breaking tendencies weaken with increasing p and disappear close to a critical doping pc = 0.19. Concomitantly, the coherent →k ‐space topology undergoes an abrupt transition, from arcs to closed contours, at the same pc. These data reveal that the →k‐space topology transformation in cuprates is linked intimately with the disappearance of the electronic symmetry breaking at a concealed critical point.
URI
https://pr.ibs.re.kr/handle/8788114/1035
ISSN
0036-8075
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
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