Distribution of equilibrium edge currents

Details Distribution of equilibrium edge currents Distribution of equilibrium edge currents

2003-07-25

arxiv.org/abs/cond-mat/0307632v1

JETP vol. 97, Issue 1, pp. 138-143(2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, 3 figures. Proceedings of 10th International Symposium "Nanostructures: Physics and Technology", St Petersburg, Russi

Scientific paper

We have studied the distribution of equilibrium edge current density in 2D system in a strong (quantizing) magnetic field. The case of half plane in normal magnetic field has been considered. The transition from classical strong magnetic field to ultraquantum limit has been investigated. We have shown that the edge current density oscillates and decays with distance from the edge. The oscillations have been attributed to the Fermi wavelength of electrons. The additional component of the current smoothly depending on the distance but sensitive to the occupation of Landau levels has been found. The temperature suppression of oscillations has been studied.

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