Avotina Y. The influence of single defects on the nonlinear conductivity of quantum contacts

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0406U002851

Thesis Registration Form

0406U002851.pdf

Applicant for

Specialization

  • 01.04.07 - Фізика твердого тіла

13-06-2006

Specialized Academic Board

Д 64.175.03

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

Essay

The oscillatory voltage dependence of the conductance of a quantum point contact in the presence of a single point-like defect has been analyzed theoretically in thesis. The effect of quantum interference has been taking into account between the principal electron wave that is directly transmitted through the contact and the partial electron wave that is scattered by the contact and the defect. This effect leads to oscillations of the conductance as a function of applied voltage. The expressions for nonlinear conductivity for tunnel contact and ballistic microconstriction have been obtained.

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Files

avtoreferat.doc

dissertaciya.doc

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