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

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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
Subjects:	Q Science > QC Physics
Divisions:	Other > Institute of Advanced Study Faculty of Science > Physics Faculty of Science > Centre for Scientific Computing
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:	Date Event 2011 Published
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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