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Intrinsic and Rashba spin-orbit interactions in graphene sheets

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Min, Hongki, Hill, J. E., Sinitsyn, N. A., Sahu, B. R., Kleinman, Leonard, MacDonald, A. H.·2006·Physical Review B

Abstract

Starting from a microscopic tight-binding model and using second-order perturbation theory, we derive explicit expressions for the intrinsic and Rashba spin-orbit interaction induced gaps in the Dirac-like low-energy band structure of an isolated graphene sheet. The Rashba interaction parameter is first order in the atomic carbon spin-orbit coupling strength $\ensuremath{\xi}$ and first order in the external electric field $E$ perpendicular to the graphene plane, whereas the intrinsic spin-orbit interaction which survives at $E=0$ is second order in $\ensuremath{\xi}$. The spin-orbit terms in the low-energy effective Hamiltonian have the form proposed recently by Kane and Mele. Ab initio electronic structure calculations were performed as a partial check on the validity of the tight-binding model.

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Metadata

Authors
Min, H., Hill, J. E., Sinitsyn, N. A., Sahu, B. R., Kleinman, L., & MacDonald, A. H.
Venue
Physical Review B
Published
2006-10-09
Volume
74
Issue
16
ISSN
  • 1098-0121 (ISSN-L)
  • 1550-235X
OpenAlex
W2069989016
Cited by
1,107
References
10
FWCI
17.58
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Intrinsic and Rashba spin-orbit interactions in graphene sheets. https://app.cochat.ai/papers/10.1103/physrevb.74.165310
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Min, H., Hill, J. E., Sinitsyn, N. A., Sahu, B. R., Kleinman, L., & MacDonald, A. H. (2006). Intrinsic and Rashba spin-orbit interactions in graphene sheets. Physical Review B. https://doi.org/10.1103/physrevb.74.165310

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