Cyclotron resonance in a cuprate superconductor

Danilo B. Romero

doi:10.1103/PhysRevB.46.8505

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Cyclotron resonance in a cuprate superconductor

Danilo B. Romero

DOI 10.1103/PhysRevB.46.8505 · Physical Review B

T1

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Abstract

Anderson suggested that the temperature dependence of the normal-state Hall coefficient in the high-Tc superconductors comes from two distinct relaxation rates: a longitudinal relaxation rate (τtr−1) due to holon-spinon scattering and a transverse relaxation rate (τH−1) due to spinon-spinon scattering. A generalized Drude model that incorporates these magnetic-field-induced anisotropy in charge-relaxation rates yields another possible signature of Anderson’s conjecture: cyclotron resonance at ω=ωcτH/τtr, where ωc is the cyclotron frequency. We discuss the feasibility of observing this signature.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Bi2Sr2CuO6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	30	Pressure not reported	onset
La2-xSrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	30	Pressure not reported	onset