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Magnetoplasmons and SU(4) symmetry in graphene
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Fischer, Andrea M., Römer, Rudolf A. and Dzyubenko, Alexander B. (2011) Magnetoplasmons and SU(4) symmetry in graphene. Journal of Physics : Conference Series, Vol.286 . Article no. 012054. doi:10.1088/1742-6596/286/1/012054 ISSN 1742-6596.
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Official URL: http://dx.doi.org/10.1088/1742-6596/286/1/012054
Abstract
We study magnetoplasmons or neutral collective excitations of graphene in a strong perpendicular magnetic field, which can be modelled as bound electron-hole pairs. The SU(4) symmetry of graphene arising from spin and valley pseudospin degrees of freedom is explored using Young diagrams to correctly predict the degeneracies of these excitations. The multiplet structure of the states is identical to that of mesons composed of first and second generation quarks.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Other > Institute of Advanced Study Faculty of Science, Engineering and Medicine > Science > Physics Faculty of Science, Engineering and Medicine > Science > Centre for Scientific Computing |
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Library of Congress Subject Headings (LCSH): | Plasmons (Physics), Graphene, Magnetic fields, Nuclear spin | ||||
Journal or Publication Title: | Journal of Physics : Conference Series | ||||
Publisher: | Institute of Physics Publishing Ltd. | ||||
ISSN: | 1742-6596 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.286 | ||||
Page Range: | Article no. 012054 | ||||
DOI: | 10.1088/1742-6596/286/1/012054 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||
Version or Related Resource: | Fischer, A. M., et al. (2010). Magnetoplasmons and SU(4) symmetry in graphene. Conference on Condensed Matter and Materials Physics CMMP10), University of Warwick, Coventry, Dec 14-16, 2010. |
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