Spin-orbit coupling in interacting quasi-one-dimensional electron systems

Details Spin-orbit coupling in interacting quasi-one-dimensional electron systems Spin-orbit coupling in interacting quasi-one-dimensional electron systems

2000-03-13

arxiv.org/abs/cond-mat/0003219v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages including 4 figures; RevTeX; to appear in Phys.Rev.Lett

Scientific paper

10.1103/PhysRevLett.84.4164

We present a new model for the study of spin-orbit coupling in interacting quasi-one-dimensional systems and solve it exactly to find the spectral properties of such systems. We show that the combination of spin-orbit coupling and electron-electron interactions results in: the replacement of separate spin and charge excitations with two new kinds of bosonic mixed-spin-charge excitation, and a characteristic modification of the spectral function and single-particle density of states. Our results show how manipulation of the spin-orbit coupling, with external electric fields, can be used for the experimental determination of microscopic interaction parameters in quantum wires.

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