Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2007-07-05
Europhys. Lett. 83, 47002 (2008)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
5 pages, 2 figures, missing summation added to Eq. (6), more thorough discussion of the experimental signatures
Scientific paper
10.1209/0295-5075/83/47002
We study theoretically the parallel quantum wires of the experiment by Auslaender et al. [Science 308, 88 (2005)] at low electron density. It is shown that a Hall effect as observed in two- or three-dimensional electron systems develops as one of the two wires enters the spin-incoherent regime of small spin bandwidth. This together with magnetic field dependent tunneling exponents clearly identifies spin-incoherence in such experiments and it serves to distinguish it from disorder effects.
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