Groupe de Physique Statistique

Equipe 106, Institut Jean Lamour

                     
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Articles dans des revues à comité de lecture

Rashba Spin-Orbit interaction enhanced by Graphene in-plane deformations
Berche B., Mireles F., Medina E.
Cond. Matter Phys. 20 (2017) 13702
DOI : 10.5488/CMP.20.13702
ArXiv : arxiv:1701.00363 [PDF]

Ways to manipulate spin-orbit couplings in graphene have been generally assessed by proximity effects to metals that don't compromise the mobility of the unperturbed system. In this work we explore the $\rm{U(1)}\times SU(2)$ gauge fields that result from the uniform stretching of a graphene sheet under a perpendicular electric field. Considering such deformations is particularly relevant due to the counter-intuitive enhancement of the Rashba coupling between 30-50\% for small bond deformations well known from tight-binding and DFT calculations. We report the accesible changes that can be operated in the band structure in the vicinity of the K points as a function of the deformation strength and direction.



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