Aharonov–Bohm effect in a parallel chain of a tunnel junction and a disordered conductor
A. M. ZagoskinPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovÉ. N. BogachekPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovI. O. KulikPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
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The conductance of a doubly connected metal structure in the form of a parallel chain of a tunnel junction and a conductor with the metal-type conductivity is calculated. When resonance sets in at the equality of the resistances of the branches, the amplitude of mesoscopic oscillations of flux quantization with a period hc/e cannot be regarded as a small quantity. The cases are considered when the conducting branch is (1) an ordered structure, (2) a random system (disordered conductor), and (3) a structure with the quasicrystalline long-range order.
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