Effects of electron-electron interactions on the electronic Raman scattering of graphite in high magnetic fields

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dc.citation.articleNumber121402(R)
dc.citation.issueNumber12en_US
dc.citation.journalTitlePhysical Review Ben_US
dc.citation.volumeNumber89en_US
dc.contributor.authorMa, Y.en_US
dc.contributor.authorKim, Y.en_US
dc.contributor.authorKalugin, N.G.en_US
dc.contributor.authorLombardo, A.en_US
dc.contributor.authorFerrari, A.C.en_US
dc.contributor.authorKono, J.en_US
dc.contributor.authorImambekov, A.en_US
dc.contributor.authorSmirnov, D.en_US
dc.date.accessioned2017-06-06T19:07:23Z
dc.date.available2017-06-06T19:07:23Z
dc.date.issued2014en_US
dc.description.abstractWe report the observation of strongly temperature (T)-dependent spectral lines in electronic Raman-scattering spectra of graphite in a high magnetic field up to 45 T applied along the c axis. The magnetic field quantizes the in-plane motion, while the out-of-plane motion remains free, effectively reducing the system dimension from 3 to 1. Optically created electron-hole pairs interact with, or shake up, the one-dimensional Fermi sea in the lowest Landau subbands. Based on the Tomonaga-Luttinger liquid theory, we show that interaction effects modify the spectral line shape from (ω−Δ)−1/2 to (ω−Δ)2α−1/2 at T = 0. At finite T, we predict a thermal broadening factor that increases linearly with T. Our model reproduces the observed T-dependent line shape, determining the electron-electron interaction parameter α to be ∼0.05 at 40 T.en_US
dc.identifier.citationMa, Y., Kim, Y., Kalugin, N.G., et al.. "Effects of electron-electron interactions on the electronic Raman scattering of graphite in high magnetic fields." <i>Physical Review B,</i> 89, no. 12 (2014) American Physical Society: https://doi.org/10.1103/PhysRevB.89.121402.
dc.identifier.doihttps://doi.org/10.1103/PhysRevB.89.121402en_US
dc.identifier.urihttps://hdl.handle.net/1911/94814
dc.language.isoengen_US
dc.publisherAmerican Physical Society
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
dc.titleEffects of electron-electron interactions on the electronic Raman scattering of graphite in high magnetic fieldsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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