Electron-electron interactions in a one-dimensional quantum wire spin filter

Details Electron-electron interactions in a one-dimensional quantum wire spin filter Electron-electron interactions in a one-dimensional quantum wire spin filter

2005-01-07

arxiv.org/abs/cond-mat/0501145v3

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures, revised

Scientific paper

10.1103/PhysRevB.72.041309

The combined presence of a Rashba and a Zeeman effect in a ballistic one-dimensional conductor generates a spin pseudogap and the possibility to propagate a beam with well defined spin orientation. Without interactions transmission through a barrier gives a relatively well polarized beam. Using renormalization group arguments, we examine how electron-electron interactions may affect the transmission coefficient and the polarization of the outgoing beam.

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