Journal
PHYSICAL REVIEW LETTERS
Volume 100, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.100.056802
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Funding
- EPSRC [EP/D030501/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/D030501/1] Funding Source: researchfish
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We show that the manifestation of quantum interference in graphene is very different from that in conventional two-dimensional systems. Because of the chiral nature of charge carriers, it is not only sensitive to inelastic, phase-breaking scattering, but also to a number of elastic scattering processes. We study weak localization in different samples and at different carrier densities, including the Dirac region, and find the characteristic rates that determine it. We show how the shape and quality of graphene flakes affect the values of the elastic and inelastic rates and discuss their physical origin.
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