Gauge field induced by ripples in graphene

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Gauge field induced by ripples in graphene

F. Guinea, Baruch Horovitz, and P. Le Doussal

Phys. Rev. B 77, 205421 – Published 15 May 2008

Abstract

We study the effects of quenched height fluctuations (ripples) in graphene on the density of states (DOS). We show that at strong ripple disorder, a divergence in the DOS can lead to an ordered ground state. We also discuss the formation of dislocations in corrugated systems, buckling effects in suspended samples, and the changes in the Landau levels due to the interplay between a real magnetic field and the gauge potential induced by ripples.

Received 13 March 2008

DOI:https://doi.org/10.1103/PhysRevB.77.205421

Authors & Affiliations

F. Guinea¹, Baruch Horovitz², and P. Le Doussal³

¹Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco E-28049 Madrid, Spain
²Department of Physics, Ben Gurion University, Beer Sheva 84105 Israel
³CNRS-Laboratoire de Physique Théorique de l’Ecole Normale Supérieure, 24 rue Lhomond, 75231 Cedex 05 Paris, France

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Issue

Vol. 77, Iss. 20 — 15 May 2008

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Physical Review B

covering condensed matter and materials physics