Volume 61, Number 1, January 2003
|Page(s)||102 - 108|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 January 2003|
Broken symmetry, hyper-fermions and universal conductance in transport through a fractional quantum Hall edge
Department of Physics and Astronomy, SUNY - Stony Brook, NY 11794, USA
Accepted: 15 October 2002
We have found solution to a model of tunneling between a multi-channel Fermi liquid reservoir and an edge of the principal fractional quantum Hall liquid (FQHL) in the strong-coupling limit. The solution explains how the absence of the time-reversal symmetry at high energies due to chiral edge propagation makes the universal two-terminal conductance of the FQHL fractionally quantized and different from that of a 1D Tomonaga-Luttinger liquid wire, where a similar model but preserving the time-reversal symmetry predicts unsuppressed free-electron conductance.
PACS: 73.43.Jn – Tunneling / 71.10.Pm – Fermions in reduced dimensions (anyons, composite fermions, Luttinger liquid, etc.) / 73.23.Ad – Ballistic transport
© EDP Sciences, 2003
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