Cyclotron resonance in a two-dimensional electron gas with long-range randomness

Details Cyclotron resonance in a two-dimensional electron gas with long-range randomness Cyclotron resonance in a two-dimensional electron gas with long-range randomness

1998-01-16

arxiv.org/abs/cond-mat/9801165v2

Phys. Rev. Lett. 80, 4749 (1998).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

A few typos corrected

Scientific paper

10.1103/PhysRevLett.80.4749

We show that the the cyclotron resonance in a two-dimensional electron gas has non-trivial properties if the correlation length of the disorder is larger than the de Broglie wavelength: (a) the lineshape assumes three different forms in strong, intermediate, and weak magnetic fields (b) at the transition from the intermediate to the weak fields the linewidth suddenly collapses due to an explosive growth in the fraction of electrons with a diffusive-type dynamics.

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