2002/01/08 by A. G. Green, Nigel R. Cooper, N. R. Cooper
Physics and Astronomy · #Condensed matter physics #Electron #Ferromagnetism #Magnetic properties of thin films #Magnon #Physics #Physics of Superconductivity and Magnetism #Quantum Hall effect #Quantum and electron transport phenomena #Quantum mechanics #Quantum spin Hall effect #Quantum tunnelling #Quasiparticle #Scattering #Spin (aerodynamics) #Spin wave #cond-mat.mes-hall
paper · pdf · doi:10.1103/physrevb.65.125329
9 pages. Accepted for publication in PRB
arxiv created 2002/01/08 · openalex publication_date 2002/03/14 · arxiv updated 2016/08/31 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We report on a study of the effect upon electrical transport of spin-wave scattering from charged quasiparticles in \ensuremathν=1 quantum Hall ferromagnets, including both Heisenberg (single layer) and easy-plane (bilayer) cases. We derive a quantum Langevin equation to describe the resulting diffusive motion of the charged particle and use this to calculate the contribution to low-temperature conductivity from a density of charged particles. This conductivity has a power-law dependence upon temperature. The contribution is small at low temperatures increasing to a large value at relatively modest temperatures. We comment upon high-temperature transport and upon the contribution of scattering to the width of the zero bias peak in tunneling conductivity.