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

Abstract

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.

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

References in corpus (3)

• Luttinger Liquid Behavior in Carbon Nanotubes
• Effect of the spin-orbit interaction on the band structure and conductance of quasi-one-dimensional systems
• Magnetotunneling as a Probe of Luttinger-Liquid Behavior

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