Coupled pair of one and two dimensional magneto-plasmons on electrons on helium
A. D. Chepelianskii,
D. Papoular,
H. Bouchiat
et al.
Abstract:Electrons on the liquid helium surface form an extremely clean two dimensional system where different plasmon-excitations can coexist. Under a magnetic field time reversal symmetry is broken and all the bulk magneto-plasmons become gaped at frequencies below cyclotron resonance while chiral one dimensional edge magneto-plasmons appear at the system perimeter. We theoretically show that the presence of a homogeneous density gradient in the electron gas leads to the formation of a delocalized magneto-plasmon mod… Show more
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