Coulomb blockade in the fractional quantum Hall effect regime

Citation
Mr. Geller et D. Loss, Coulomb blockade in the fractional quantum Hall effect regime, PHYS REV B, 62(24), 2000, pp. R16298-R16301
Citations number
24
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICAL REVIEW B
ISSN journal
01631829 → ACNP
Volume
62
Issue
24
Year of publication
2000
Pages
R16298 - R16301
Database
ISI
SICI code
0163-1829(200012)62:24<R16298:CBITFQ>2.0.ZU;2-3
Abstract
We use chiral Luttinger liquid theory to study transport through a quantum dot in the fractional quantum Hall effect regime and find rich non-Fermi-li quid tunneling characteristics. In particular, we predict a remarkable Coul omb-blockade-type energy gap that is quantized in units of the noninteracti ng level spacing, power-law tunneling exponents for voltages beyond thresho ld, and a line shape as a function of gate voltage that is dramatically dif ferent than that for a Fermi liquid. We propose experiments to use these un ique spectral properties as a probe of the fractional quantum Hall effect.