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Hashimoto, Akihiro; Momono, N.; Oda, Masahiro; Ido, M.

doi:10.1103/physrevb.74.064508

Cited by 37 publications

(33 citation statements)

References 45 publications

(55 reference statements)

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“…Similar periodic patterns were observed in tunnel studies of Bi 2 Sr 2 CaCu 2 O 8+δ (BSCCO) [128,[155][156][157][158][159], Bi 2 Sr 2−x La x CuO 6+δ [117], and Bi 2−y Pb y Sr 2−z La z CuO 6+x [97]. In Bi 2 Sr 2−x La x CuO 6+δ the existence of checkerboard structures was also shown in combined STM-ARPES investigations [160].…”

Section: Cdw and Pseudogap Evidence In Cupratessupporting

confidence: 62%

d-Wave Superconductivity and s-Wave Charge Density Waves: Coexistence between Order Parameters of Different Origin and Symmetry

Ekino

Gabovich

et al. 2011

Symmetry

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A review of the theory describing the coexistence between d-wave superconductivity and s-wave charge-density-waves (CDWs) is presented. The CDW gapping is identified with pseudogapping observed in high-T c oxides. According to the cuprate specificity, the analysis is carried out for the two-dimensional geometry of the Fermi surface (FS). Phase diagrams on the σ 0 − α plane-here, σ 0 is the ratio between the energy gaps in the parent pure CDW and superconducting states, and the quantity 2α is connected with the degree of dielectric (CDW) FS gapping-were obtained for various possible configurations of the order parameters in the momentum space. Relevant tunnel and photoemission experimental data for high-T c oxides are compared with theoretical predictions. A brief review of the results obtained earlier for the coexistence between s-wave superconductivity and CDWs is also given.

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Section: Cdw and Pseudogap Evidence In Cupratessupporting

confidence: 62%

d-Wave Superconductivity and s-Wave Charge Density Waves: Coexistence between Order Parameters of Different Origin and Symmetry

Ekino

Gabovich

et al. 2011

Symmetry

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“…FT-STS has also been used to probe the pseudogap state in the underdoped regime where non-dispersive (bias-independent) quasi-periodic conductance modulations has been identified both in BSCCO 4,[6][7][8]22 and Ca 2−x Na x CuO 2 Cl 2 (Na-CCOC). 23 The origin of these peaks remains unknown at present but may be caused by short-range charge order, possibly connected to the existence of nested segments of the Fermi surface near the antinodal regions of the Brillouin zone.…”

Section: Introductionmentioning

confidence: 99%

Extinction of quasiparticle interference in underdoped cuprates with coexisting order

Andersen

Hirschfeld

2009

Phys. Rev. B

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Recent scanning tunnelling spectroscopy measurements [Y. Koksaka et al., Nature 454, 1072] have shown that dispersing quasiparticle interference peaks in Fourier transformed conductance maps disappear as the bias voltage exceeds a certain threshold corresponding to the coincidence of the contour of constant quasiparticle energy with the antiferromagnetic zone boundary. Here we argue that this is caused by quasistatic short-range coexisting order present in the d-wave superconducting phase, and that the most likely origin of this order is disorder-induced incommensurate antiferromagnetism. We show explicitly how the peaks are extinguished in the related situation with coexisting long-range antiferromagnetic order, and discuss the connection with the realistic disordered case. Since it is the localized quasiparticle interference peaks rather than the underlying antinodal states themselves which are destroyed at a critical bias, our proposal resolves a conflict between scanning tunneling spectroscopy and photoemission regarding the nature of these states.

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“…The strong sample ͑or cleaved surface͒ dependence of the 2D charge order is true of underdoped Bi2212 and has been discussed in terms of pinning of a dynamical 2D electronic charge order from the point of view that the 2D electronic charge order will be dynamical in itself. 23,24 B. STS spectra of Bi2201(La) and Bi2212 STS spectra ͑dI / dV curves͒ of Bi2201͑La͒ samples A and B, and Bi2212 sample A, obtained at 8 -9 K along the lines marked on the STM images ͑Fig. 1͒, are very inhomogeneous spatially.…”

Section: A Stm Images Of Bi2201(la) and Bi2212mentioning

confidence: 99%

Large pseudogap and nodal superconducting gap inBi2Sr2−xLaxCuO

et al. 2010

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In the present work, scanning tunneling microscopy/spectroscopy ͑STM/STS͒ measurements were carried out on underdoped Bi 2 Sr 2−x La x CuO 6+␦ and Bi 2 Sr 2 CaCu 2 O 8+␦ to clarify the origin of the pseudogap, in particular, the inhomogeneous large pseudogap. The nodal part of a d-wave pairing gap, which is under no influence of the inhomogeneous large pseudogap, was also examined by relating the homogeneous bottom part of the STS gap to a nodal d-wave gap in momentum space. We report that the inhomogeneous large pseudogap in the antinodal region links to a two-dimensional electronic charge order, and that the gap size of the nodal d-wave part ⌬ sc scales with the superconducting critical temperature T c in the pseudogap regime.

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Scanning tunneling microscopy and spectroscopy study of4a×4aelectronic charge order and the inhomogeneous pairing gap in superconductingBi2

Cited by 37 publications

References 45 publications

d-Wave Superconductivity and s-Wave Charge Density Waves: Coexistence between Order Parameters of Different Origin and Symmetry

d-Wave Superconductivity and s-Wave Charge Density Waves: Coexistence between Order Parameters of Different Origin and Symmetry

Extinction of quasiparticle interference in underdoped cuprates with coexisting order

Large pseudogap and nodal superconducting gap inBi2Sr2−xLaxCuO

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