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- Bulgarian Academy of SciencesBG632 papers
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4 papers · 1 filter
Coulomb Blockade in Hierarchical Quantum Hall Droplets
Andrea Cappelli, Lachezar S. Georgiev, Guillermo R. Zemba
The degeneracy of energy levels in a quantum dot of Hall fluid, leading to conductance peaks, can be readily derived from the partition functions of conformal field theory. Their c…
Topologically protected quantum gates for computation with non-Abelian anyons in the Pfaffian quantum Hall state
Lachezar S. Georgiev
We extend the topological quantum computation scheme using the Pfaffian quantum Hall state, which has been recently proposed by Das Sarma et al., in a way that might potentially al…
Magnetic Moment Oscillations in a Quantum Hall Ring
Lachezar S. Georgiev, Michael R. Geller
We predict non-mesoscopic oscillations in the orbital magnetic moment of a thin semiconductor ring in the quantum Hall effect regime. These oscillations, which occur as a function…
Chiral persistent currents and magnetic susceptibilities in the parafermion quantum Hall states in the second Landau level with Aharonov-Bohm flux
Lachezar S. Georgiev
Using the effective conformal field theory for the quantum Hall edge states we propose a compact and convenient scheme for the computation of the periods, amplitudes and temperatur…