Rippled Graphene in an In-Plane Magnetic Field: Effects of a Random Vector Potential

Details Rippled Graphene in an In-Plane Magnetic Field: Effects of a Random Vector Potential Rippled Graphene in an In-Plane Magnetic Field: Effects of a Random Vector Potential

2009-10-22

arxiv.org/abs/0910.4413v2

Phys. Rev. Lett. 105, 146804 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Various changes; added appendix for Boltzmann calculation of anisotropic magnetoresistance

Scientific paper

10.1103/PhysRevLett.105.146804

We report measurements of the effects of a random vector potential generated by applying an in-plane magnetic field to a graphene flake. Magnetic flux through the ripples cause orbital effects: phase-coherent weak localization is suppressed, while quasi-random Lorentz forces lead to anisotropic magnetoresistance. Distinct signatures of these two effects enable an independent estimation of the ripple amplitude and correlation length.

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