Enhancement of tunneling from a correlated 2D electron system by a many-electron Mossbauer-type recoil in a magnetic field

Details Enhancement of tunneling from a correlated 2D electron system by a many-electron Mossbauer-type recoil in a magnetic field Enhancement of tunneling from a correlated 2D electron system by a many-electron Mossbauer-type recoil in a magnetic field

2000-06-30

arxiv.org/abs/cond-mat/0006492v3

Phys. Rev. Lett. 86, 2408 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

published version, 4 pages, 2 figures, RevTeX 3.0

Scientific paper

10.1103/PhysRevLett.86.2408

We consider the effect of electron correlations on tunneling from a 2D electron layer in a magnetic field parallel to the layer. A tunneling electron can exchange its momentum with other electrons, which leads to an exponential increase of the tunneling rate compared to the single-electron approximation. Explicit results are obtained for a Wigner crystal. They provide a qualitative and quantitative explanation of the data on electrons on helium. We also discuss tunneling in semiconductor heterostructures.

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