Publicação: Comment on effect of spin-orbit interaction on the plasma excitations in a quantum wire
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We comment on the recent results [Phys. Rev. B 70, 235314 (2004)] showing the dispersion relations of single-particle and collective excitations in quantum wires in the presence of the Rashba spin-orbit interaction (SOI). We claim that those calculations performed in the absence of SOI, and used as a strong reference to the interacting case, are unlikely to be correct. We show the correct ω-q plane of the system in the absence of Rashba SOI. © 2005 The American Physical Society.
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Physical Review B - Condensed Matter and Materials Physics, v. 72, n. 20, 2005.
