Fractional quantum Hall states in chargeimbalanced bilayer systems
Abstract
We study the fractional quantum Hall effect in a bilayer with chargedistribution imbalance induced, for instance, by a bias gate voltage. The bilayer can either be intrinsic or it can be formed spontaneously in wide quantum wells, due to the Coulomb repulsion between electrons. We focus on fractional quantum Hall effect in asymmetric bilayer systems at filling factor ν = 4/11 and show that an asymmetric Halperinlike trial wavefunction gives a valid description of the ground state of the system.
 Publication:

Journal of Physics Conference Series
 Pub Date:
 August 2013
 DOI:
 10.1088/17426596/456/1/012036
 arXiv:
 arXiv:1309.7465
 Bibcode:
 2013JPhCS.456a2036T
 Keywords:

 Condensed Matter  Strongly Correlated Electrons;
 Condensed Matter  Mesoscale and Nanoscale Physics
 EPrint:
 6 pages, 5 figures, HMF20 proceedings