𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Temperature dependence of interlayer surface transport in multilayer quantum Hall system

✍ Scribed by M. Kuraguchi; T. Osada

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
130 KB
Volume
6
Category
Article
ISSN
1386-9477

No coin nor oath required. For personal study only.

✦ Synopsis

We have studied interlayer surface transport in GaAs=AlGaAs multilayer quantum Hall systems. By canceling bulk conductance between di erent shaped samples, we have successfully extracted only the conductivity of surface transport over wide temperature range. At low temperatures, the surface conductivity in an integer quantum Hall state is much smaller than e 2 =h and independent of temperature. These are the theoretically predicted natures of the chiral surface state. As the temperature is increased, the surface transport is enhanced by mixing with bulk states, and ΓΏnally the surface transport vanishes re ecting the disappearance of the quantum Hall e ect.

πŸ“œ SIMILAR VOLUMES

Temperature dependence of the quantum Ha
Temperature dependence of the quantum Hall effect in graphene
✍ A.J.M. Giesbers; U. Zeitler; M.I. Katsnelson; L.A. Ponomarenko; T.M.G. Mohiuddin πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 201 KB

We have measured the temperature dependence of the quantum Hall effect in single layer graphene for temperatures ranging from 4 to 300 K in magnetic fields up to 32 T. The gap between higher Landau levels measured at n ΒΌ 6 follows the classically expected behavior for broadened Landau levels. In con

Edge state transport of separately conta
Edge state transport of separately contacted bilayer systems in the fractional quantum Hall regime
✍ Daijiro Yoshioka; Kentaro Nomura πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 71 KB

Hall and diagonal resistances of bilayer fractional quantum Hall systems are discussed theoretically. The bilayers have electrodes attached separately to each layer. They are assumed to be coupled weakly by interlayer tunneling, while the interlayer Coulomb interaction is negligibly small. It is sho