Nature of the pairing in a resonating-valence-bond superconductor
S. Kivelson
DOI 10.1103/PhysRevB.36.7237 · 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
One of the most striking features of the recently reported experimental data on the new high-temperature copper-oxide superconductors is the apparent disagreement between the photoabsorption and some of the tunneling measurements of the superconducting gap. It is argued here that this may not be an experimental artifact, but rather reflects the novel nature of the pairing in the resonating-valence-bond state: The lowest-lying quasiparticle excitations consist of pairs of neutral solitons. Thus, the superconducting gap can be measured in tunneling, but not in the photoabsorption. The nature of the expected absorption spectrum, and the analogy with doped polyacetylene is also discussed.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| La2-xSrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
Similar papers
Vibronic pairing models for high-Tc superconductors
similarity 0.97M. Georgiev & M. Borissov
Source status unknown — claims are unverified
Effect of disorder on the pairing properties of electron-doped high-Tc superconductors
similarity 0.97Hong-Min Jiang & Jian-Xin Li
Source status unknown — claims are unverified
Kinetic impedance and depairing in thin and narrow superconducting films
similarity 0.96John R. Clem & V. G. Kogan
Source status unknown — claims are unverified
Nonlinear optical effects in inversion-symmetry-breaking superconductors
similarity 0.96Tianrui Xu et al.
Source status unknown — claims are unverified
Long-range Coulomb interactions and the onset of superconductivity in the high-Tc materials
similarity 0.96S. Doniach & M. Inui
Source status unknown — claims are unverified
Resonant X-Ray Scattering Measurements of a Spatial Modulation of the Cu 3d and O 2p Energies in Stripe-Ordered Cuprate Superconductors
similarity 0.96A. J. Achkar et al.
Source status unknown — claims are unverified