Magnetic Field Effect on an Electron Tunneling out of a Confining Plane

Details Magnetic Field Effect on an Electron Tunneling out of a Confining Plane Magnetic Field Effect on an Electron Tunneling out of a Confining Plane

1994-03-14

arxiv.org/abs/cond-mat/9403049v1

Physics

Condensed Matter

latex, 11 pages

Scientific paper

10.1103/PhysRevLett.72.1898

The influence of a magnetic field on the tunneling of an electron out of a confining plane is studied by a path integral method. We map this 3-d problem on to a 1-d one, and find that the tunneling is strongly affected by the field. Without a perpendicular field the tunneling at zero temperature can be completely suppressed by a large parallel field, but in the small parallel field and low temperature limit the tunneling rate is finite. An explicit formula is obtained in this case. A quantitative explanation without fitting parameter to a recent experiment is provided.

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