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cond-mat.mes-hall1999
Coulomb interactions and delocalization in quantum Hall constrictions
Leonid P. Pryadko, Efrat Shimshoni, Assa Auerbach
We study a geometry-dependent effect of long-range Coulomb interactions on quantum Hall (QH) tunneling junctions. In an X-shaped geometry, duality relates junctions with opening an…
cond-mat.mes-hall1998
Hall Resistivity and Dephasing in the Quantum Hall Insulator
Leonid P. Pryadko, Assa Auerbach
The longstanding problem of the Hall resistivity rho(x,y) in the Hall insulator phase is addressed using four-lead Chalker-Coddington networks. Electron interaction effects are int…