Magneto-optical conductivity in graphene

By Valery P. Gusynin, S. Sharapov, J. P. Carbotte. 2007

1,010 citations recorded by the source corpus.

Landau level quantization in graphene reflects the Dirac nature of its quasiparticles and has been found to exhibit an unusual integer quantum Hall effect. In particular, the lowest Landau level can be thought of as shared equally by electrons and holes, and this leads to characteristic behaviour of the magneto-optical conductivity as a function of frequency Ω for various values of the chemical potential μ. Particular attention is paid to the optical spectral weight under various absorption peaks and its redistribution as μ is varied. We also provide results for magnetic field B as well as chemical potential sweeps at selected fixed frequencies, which can be particularly useful for possible measurements in graphene. Both diagonal and Hall conductivities are considered.

Subfields: Atomic and Molecular Physics, and Optics, Materials Chemistry, Physical and Theoretical Chemistry

View Paper: https://www.semanticscholar.org/paper/9eca743bf8ba831c3eeab526584397a8c1f517dd

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In Atomic and Molecular Physics, and Optics

In Materials Chemistry

In Physical and Theoretical Chemistry

Citations in the corpus

Design of a Reconfigurable MIMO System for THz Communications Based on Graphene Antennas (2014, methodology): “Therefore, we can use the results from the Kubo formula [28]”
Dirac electronic states in graphene systems: optical spectroscopy studies (2010, background): “The matrix elements of the velocity operators v̂+ = (v̂x − iv̂y)/ √ 2 and v̂− = (v̂x + iv̂y)/ √ 2 are |〈m|v̂+|n〉| = αδ|m|,|n|+1 and |〈m|v̂−|n〉| = αδ|m|,|n|−1, respectively, with α = v2 F / 2 if n or m equals zero, and otherwise α = v2 F / 4 [76, 79, 81, 87].”
The electronic properties of graphene (2007, background): “In addition to phases with enhan ed ferromag-netism or with broken valley symmetry, intera tionsat high magneti elds an lead to ex itoni instabil-ities (Gusynin et al., 2006) and Wigner rystal phases(Zhang and Joglekar, 2007).”