Infrared spectroscopy of Landau levels in graphene

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dc.creatorJiang, Z.
dc.creatorHenriksen, E. A.
dc.creatorTung, L. C.
dc.creatorWang, Y. -J.
dc.creatorSchwartz, M. E.
dc.creatorHan, M. Y.
dc.creatorKim, P.
dc.creatorStormer, H. L.
dc.date2007-03-30
dc.date2007-04-06
dc.date.accessioned2026-07-07T08:01:04Z
dc.date.available2026-07-07T08:01:04Z
dc.descriptionWe report infrared studies of the Landau level (LL) transitions in single layer graphene. Our specimens are density tunable and show \textit{in situ} half-integer quantum Hall plateaus. Infrared transmission is measured in magnetic fields up to B=18 T at selected LL fillings. Resonances between hole LLs and electron LLs, as well as resonances between hole and electron LLs are resolved. Their transition energies are proportional to $\sqrt{B}$ and the deduced band velocity is $\tilde{c}\approx1.1\times10^6$ m/s. The lack of precise scaling between different LL transitions indicates considerable contributions of many-particle effects to the infrared transition energies.
dc.description4 pages, 3 figures, to appear in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/0703822
dc.identifierhttp://arxiv.org/abs/cond-mat/0703822
dc.identifierPhys. Rev. Lett. 98, 197403 (2007).
dc.identifierdoi:10.1103/PhysRevLett.98.197403
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/128836
dc.subjectMesoscale and Nanoscale Physics
dc.titleInfrared spectroscopy of Landau levels in graphene
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