Tomonaga-Luttinger liquid parameters of magnetic waveguides in graphene
arXiv:0807.2606 · doi:10.1103/PhysRevB.78.165402
Abstract
Electronic waveguides in graphene formed by counterpropagating snake states in suitable inhomogeneous magnetic fields are shown to constitute a realization of a Tomonaga-Luttinger liquid. Due to the spatial separation of the right- and left-moving snake states, this non-Fermi liquid state induced by electron-electron interactions is essentially unaffected by disorder. We calculate the interaction parameters accounting for the absence of Galilei invariance in this system, and thereby demonstrate that non-Fermi liquid effects are significant and tunable in realistic geometries.
arXiv comment10 pages, 5 figures, published version
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- Artifical atoms in interacting graphene quantum dots
- Sensory Organ like Response of Zigzag Edge Graphene Nanoribbons
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- Beating oscillation and Fano resonance in the laser assisted electron transmission through graphene δ- function magnetic barriers
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