Electronic Structure of the Trilayer Cuprate Superconductor<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Sr</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Ca</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:

Feng, D. L.; Damascelli, A.; Shen, Kyle; Motoyama, N.; Lu, D. H.; Eisaki, H.; Shimizu, Keisuke; Shimoyama, Jun–ichi; Kishio, K.; Kaneko, Nobu‐Hisa; Greven, M.; Gu, Genda; Zhou, X. J.; Kim, C.; Ronning, F.; Armitage, N. P.; Shen, Z.‐X.

doi:10.1103/physrevlett.88.107001

Cited by 117 publications

(97 citation statements)

References 28 publications

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“…4,9,10,11 This structure was also found recently in YBa 2 Cu 3 O 7−δ , 12 and in Bi 2 Sr 2 Ca 2 Cu 3 O 10+δ . 13,14 For the notation of special points in the Brillouin zone which we use throughout this paper, see Fig. 1.…”

Section: Experimental Evidence a Angle Resolved Photoemissionmentioning

confidence: 99%

Effect of the magnetic resonance on the electronic spectra ofhigh−Tcsuperconductors

2003

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We explain recent experimental results on the superconducting state spectral function as obtained by angle resolved photoemission, as well as by tunneling, in high Tc cuprates. In our model, electrons are coupled to the resonant spin fluctuation mode observed in inelastic neutron scattering experiments, as well as to a gapped continuum. We show that, although the weight of the resonance is small, its effect on the electron self energy is large, and can explain various dispersion anomalies seen in the data. In agreement with experiment, we find that these effects are a strong function of doping. We contrast our results to those expected for electrons coupled to phonons.

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Section: Experimental Evidence a Angle Resolved Photoemissionmentioning

confidence: 99%

Effect of the magnetic resonance on the electronic spectra ofhigh−Tcsuperconductors

2003

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“…Bi-2223 has the highest optimal T c of the bismuth family, 111 K, a gap in the 30-60 meV range, and a very strong dip as revealed by tunneling 47 and photoemission. [48][49][50] In this paper, we study Bi-2223 STS spectra by means of least-squares fits to a strong-coupling model consisting of the Van Hove singularity (VHS) associated with the saddle point of a two-dimensional tight-binding band, a d-wave BCS gap, and a coupling to the (π,π) resonance. 44 The results of similar studies were reported previously.…”

Section: Introductionmentioning

confidence: 99%

Strong-coupling analysis of scanning tunneling spectra in Bi2Sr2Ca2Cu
Berthod
¹
,
Fasano
²
,
Maggio-Aprile
³

et al. 2013
Phys. Rev. B

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We study a series of spectra measured in the superconducting state of optimally doped Bi 2 Sr 2 Ca 2 Cu 3 O 10+δ (Bi-2223) by scanning tunneling spectroscopy. Each spectrum, as well as the average of spectra presenting the same gap, is fitted using a strong-coupling model taking into account the band structure, the BCS gap, and the interaction of electrons with the spin resonance. After describing our measurements and the main characteristics of the strong-coupling model, we report the whole set of parameters determined from the fits, and we discuss trends as a function of the gap magnitude. We also simulate angle-resolved photoemission spectra, and compare with recent experimental results.

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“…Studies of low lying excitations and the Fermi surface in the high temperature superconductors by angle resolved photoemission spectroscopy (ARPES) have mostly been focused on Bi 2 Sr 2 CaCu 2 O 8+δ (BSCCO) [1][2][3][4][5][6] and YBa 2 Cu 3 O 7−y (YBCO) 7 . In these systems, however, additional features derived from complicated crystal structures, such as the Bi-O superstructures in BSCCO and the Cu-O chains in YBCO, have made the analysis rather complicated.…”

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confidence: 99%

Electronlike Fermi surface and remnant(π,0)feature in overdopedLa1.78

et al. 2001

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We have performed an angle-resolved photoemission study of overdoped La1.78Sr0.22CuO4, and have observed sharp nodal quasiparticle peaks in the second Brillouin zone that are comparable to data from Bi2Sr2CaCu2O 8+δ . The data analysis using energy distribution curves, momentum distribution curves and intensity maps all show evidence of an electron-like Fermi surface, which is well explained by band structure calculations. Evidence for many-body effects are also found in the substantial spectral weight remaining below the Fermi level around (π,0), where the band is predicted to lie above EF .PACS numbers: 74.25.Jb, 71.18.+y, 74.72.Dn, 79.60.Bm Studies of low lying excitations and the Fermi surface in the high temperature superconductors by angle resolved photoemission spectroscopy (ARPES) have mostly been focused on Bi 2 Sr 2 CaCu 2 O 8+δ (BSCCO) 1-6 and YBa 2 Cu 3 O 7−y (YBCO) 7 . In these systems, however, additional features derived from complicated crystal structures, such as the Bi-O superstructures in BSCCO and the Cu-O chains in YBCO, have made the analysis rather complicated. In particular, the Bi-O superstructure complicates the interpretation of spectra around (π,0), resulting in the controversy over the Fermi surface geometry 1-6 . La 2−x Sr x CuO 4 (LSCO), by virtue of the absence of these effects and the availability of high quality single crystal samples over the entire doping range, provides the opportunity to advance our understanding of the high temperature superconductors. In the underdoped regime, earlier studies have uncovered the presence of two electronic components 8-10 , a systematic suppression of the spectral weight near (π/2, π/2) (when compared with that of overdoped samples or BSCCO for data taken under the same conditions), and straight Fermi surface segments near (π,0) of width ∼ π/2 11,12 , which have been interpreted as evidence for electronic inhomogeneities. In the overdoped regime, an electronlike Fermi surface was observed in the high-T c superconductors for the first time 8 , but despite this progress, important problems remain. Since ARPES data from underdoped samples are very broad, worries about the sample quality persist. There are also questions about the effects of the photoemission matrix element 13 , which makes it difficult to extract quantitative information about stripe effects on nodal spectral weight by comparing the experiments and theoretical calculations that predict suppression [14][15][16] . We address these important questions by performing a detailed study of overdoped LSCO (x= 0.22) where the stripe effects are expected to be weak, and have the aid of reliable band structure calculations (unlike the case of BSCCO). We performed ARPES in three Brillouin zones (BZ) and performed numerical simulations to investigate the matrix element effects. In the second BZ, using a favorable polarization, we have identified a sharp spectral feature along the diagonal direction in this sample that is comparable to that of BSCCO. This observation demonstrates that the ...

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Electronic Structure of the Trilayer Cuprate SuperconductorBi2Sr2Ca2

Cited by 117 publications

References 28 publications

Effect of the magnetic resonance on the electronic spectra ofhigh−Tcsuperconductors

Effect of the magnetic resonance on the electronic spectra ofhigh−Tcsuperconductors

Strong-coupling analysis of scanning tunneling spectra in Bi2Sr2Ca2Cu
Berthod
¹
,
Fasano
²
,
Maggio-Aprile
³

et al. 2013
Phys. Rev. B

Electronlike Fermi surface and remnant(π,0)feature in overdopedLa1.78

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Electronic Structure of the Trilayer Cuprate SuperconductorBi2Sr2Ca2

Cited by 117 publications

References 28 publications

Effect of the magnetic resonance on the electronic spectra ofhigh−Tcsuperconductors

Effect of the magnetic resonance on the electronic spectra ofhigh−Tcsuperconductors

Strong-coupling analysis of scanning tunneling spectra in Bi2Sr2Ca2CuBerthod1, Fasano2, Maggio-Aprile3 et al. 2013Phys. Rev. B

Electronlike Fermi surface and remnant(π,0)feature in overdopedLa1.78

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Strong-coupling analysis of scanning tunneling spectra in Bi2Sr2Ca2Cu
Berthod
¹
,
Fasano
²
,
Maggio-Aprile
³

et al. 2013
Phys. Rev. B