Competition between single- and multiparticle resonances in tunneling

K. A. Kikoin, L. A. Manakova

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


A new mechanism is proposed for the anomalous tunneling transmittance of a double-barrier quantum-well structure doped with a transition-metal impurity and possessing an intrinsic two-dimensional continuum. The new tunneling channels are due to exponentially-narrow single-particle resonances arising near the edge of a 2D band during tunneling. They are temperature-independent and their contribution to the transmittance can exceed the contribution of the Kondo resonance even at temperatures T<T(K).

Original languageEnglish
Pages (from-to)484-490
Number of pages7
JournalJETP Letters
Issue number6
StatePublished - 1 Dec 1997
Externally publishedYes


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