Zero-bias anomaly of tunneling into the edge of a two-dimensional electron system
- 15 July 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 52 (4) , R2297-R2300
- https://doi.org/10.1103/physrevb.52.r2297
Abstract
We investigate the electron tunneling into the edge of a clean weakly interacting two-dimensional electron gas. It is shown that the corresponding differential conductance G(V) has a cusp at zero bias, and is characterized by a universal slope ‖dG/dV‖ at V=0. This singularity originates from the electron scattering on the Friedel oscillation caused by the boundary of the system.All Related Versions
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