Anisotropy of the quasiparticle damping in the high-Tc superconductors Bi2Sr2CaCu2O8 and YBa2Cu3O6.9 as seen from angle-resolved photoemission experiments
T. Dahm
DOI 10.1103/PhysRevB.54.10150 · Physical Review B
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Abstract
Angle-resolved photoemission experiments have shown that the quasiparticle damping in the normal state of YBa2Cu3O6.9 is quite anisotropic while in Bi2Sr2CaCu2O8 it is only slightly anisotropic. However, both possess Fermi surfaces which are similar in shape. Here I show that the anisotropy of the damping can be understood within a simple picture, if one assumes a momentum-dependent interaction of the spin fluctuation exchange type and takes into account the Fermi surfaces of Bi2Sr2CaCu2O8 and YBa2Cu3O6.9. © 1996 The American Physical Society.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| YBa2Cu3O6.9 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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