Strong-coupling analysis of scanning tunneling spectra in Bi2Sr2Ca2Cu3O10+δ

2013/03/31 by Christophe Berthod, C. Berthod, Yanina Fasano +7 · 24 citations
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Atomic physics #Condensed matter physics #Coupling (piping) #Geology #Magnetic and transport properties of perovskites and related materials #Materials science #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Quantum tunnelling #Series (stratigraphy) #Spectral line #Spectroscopy #cond-mat.supr-con

paper · pdf · doi:10.1103/physrevb.88.014528

published in Physical Review B 88(1) (American Physical Society) · Published version

openalex publication_date 2013/07/29 · arxiv created 2013/08/01 · arxiv updated 2013/08/02 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We study a series of spectra measured in the superconducting state of optimally doped Bi₂Sr₂Ca₂Cu₃O_10+\ensuremathδ (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.

Citations

• Low Energy Excitation and Scaling inBi2Sr2Can−1CunO2n+4(n=1–3): Angle-Resolved Photoemission Spectroscopy
• Dispersion of Magnetic Excitations in Optimally Doped SuperconductingYBa2Cu3O6.95
• Angle-resolved photoemission studies of the cuprate superconductors
• Dispersion of the odd magnetic resonant mode in near-optimally dopedBi2Sr2CaCu2O8+δ
• Interplay of electron–lattice interactions and superconductivity in Bi2Sr2CaCu2O8+δ
• Effect of oxygen-doping onBi2Sr2Ca2Cu3O10+δvortex matter: Crossover from electromagnetic to Josephson interlayer coupling
• The effect of collective spin-1 excitations on electronic spectra in high-Tcsuperconductors
• Measuring the gap in angle-resolved photoemission experiments on cuprates
• Theory of asymmetric tunneling in the cuprate superconductors
• High-transition-temperature superconductivity in the absence of the magnetic-resonance mode
• Effect of Zn and Ni Impurities on the Quasiparticle Renormalization of Superconducting Bi-2212
• Magnetic resonant excitations in High‐Tc superconductors
• Electronic Spectra and Their Relation to the(π,π)Collective Mode in High-TcSuperconductors
• Doping evolution of the electronic structure in the single-layer cuprateBi2Sr2−xLaxCuO6+δ: Comparison with other single-layer cuprates
• Anomalous Enhancement of the Coupling to the Magnetic Resonance Mode in Underdoped Pb-Bi2212
• Modeling scanning tunneling spectra ofBi2Sr2CaCu2O8+δ
• Electronic Structure of the Trilayer Cuprate SuperconductorBi2Sr2Ca2Cu3O10+δ

Cited by

• Charge density waves as the origin of dip-hump structures in the differential tunneling conductance of cuprates: The case of d-wave superconductivity