Abstract
The cyclotron resonance energies, the corresponding oscillator
strengths, and the cyclotron absorption spectrum for trilayer graphene
are calculated for both ABA and ABC stacking. A gate potential across
the stacked layers leads to (1) a reduction of the transition energies,
(2) a lifting of the degeneracy of the zero Landau level, and (3) the
removal of the electron-hole symmetry.
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