Please use this identifier to cite or link to this item: http://hdl.handle.net/1783.1/51199

On-Site Coulomb Repulsion and Resonant Tunneling

Authors Ng, Tai Kai View this author's profile
Lee, Patrick A.
Issue Date 1988
Source Physical Review Letters , v. 61, (15), October 1988, p. 1768-1771
Summary We study the effect of on-site Coulomb repulsion on the process of resonant tunneling. We find that the tunneling peak results from a crossover from the high-temperature Kondo phase to the low-temperature mixed-valence phase of the system when the chemical potential is varied across the on-site localized-state energy. Consequently, the line shape is non-Lorentzian, with rather unusual temperature dependence. Moreover, a magnetic field does not split the tunneling peak, but the line shape is modified. The effect of coupling between localized states is also discussed.
ISSN 0031-9007
1079-7114
Rights © 1988 American Physical Society
Language English
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