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Type: Artigo de periódico
Title: Quantum Oscillations And Negative Differential Resistance In Nonresonant Magnetotunneling
Author: Schulz P.A.
Tejedor C.
Abstract: We predict the existence of negative differential resistance in nonresonant tunneling through a single barrier when a magnetic field is applied perpendicular to the current. Moreover, the use of a transfer Hamiltonian method for the calculation of the tunneling current allows the clear understanding of the physical origin of the experimentally observed oscillations as a function of the magnetic field. These two phenomena are consequences of the existence of individualized tunneling channels connected with anticrossings in the dispersion relation. © 1989 The American Physical Society.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.39.11187
Date Issue: 1989
Appears in Collections:Unicamp - Artigos e Outros Documentos

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