Quasiparticles and c-axis coherent hopping in high-Tc superconductors
P. S. Cornaglia, K. Hallberg, C. A. Balseiro
DOI 10.1103/PhysRevB.63.060504 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
We study the problem of the low-energy quasiparticle spectrum of the extended t−J model and analyze the coherent hopping between weakly coupled planes described by this model. Starting with a two-band model describing the CuO planes and the unoccupied bands associated with the metallic atoms located in between the planes, we obtain effective hopping matrix elements describing the c-axis charge transfer. A computational study of these processes shows an anomalously large charge anisotropy for doping concentrations around and below the optimal doping.
Similar papers
Atomic and bond polarization causing strong screening of short-range Coulomb interactions and its effect in cuprate superconductors
similarity 0.90Nassim Derriche & George Sawatzky
Source status unknown — claims are unverified
Quasiparticle spectral weight of cuprate oxide superconductors
similarity 0.89L. Coffey & D. Coffey
Source status unknown — claims are unverified
Theory of isotope dependence of photoemission spectra of high-Tc superconducting cuprates
similarity 0.89G. Seibold & M. Grilli
Source status unknown — claims are unverified
Magnetic quantization of electronic states in d-wave superconductors
similarity 0.89N. B. Kopnin & V. M. Vinokur
Source status unknown — claims are unverified
Effect of pair hopping and magnitude of intra-atomic interaction on exchange-mediated superconductivity
similarity 0.89J. Spałek
Source status unknown — claims are unverified
Quadrupolar-fluctuation model for high-Tc superconductivity: A quantum Monte Carlo study
similarity 0.89M. Jarrell & D. L. Cox
Source status unknown — claims are unverified