Broken symmetry, hyper-fermions, and universal conductance in transport through a fractional quantum Hall edge

Details Broken symmetry, hyper-fermions, and universal conductance in transport through a fractional quantum Hall edge Broken symmetry, hyper-fermions, and universal conductance in transport through a fractional quantum Hall edge

2000-12-22

arxiv.org/abs/cond-mat/0012422v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 twocolumn pages in RevTex, no figures, more explanations added, a short version was published in JETP Letters, vol.74, 87 (2

Scientific paper

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.

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