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Side-gate modulation of critical current in mesoscopic Josephson junction

โœ Scribed by Niels Asger Mortensen; Georg Bastian


Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
255 KB
Volume
28
Category
Article
ISSN
0749-6036

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โœฆ Synopsis


We study the normal state conductance and the Josephson current in a superconductor-2DEG-superconductor structure where the size/shape of the 2DEG-region can be modified by an additional side-gate electrode. The considered transport properties follow from the retarded Green function which we compute by employing a tight-binding-like representation of the Hamiltonian in the 2DEG region. Our model studies offer a qualitative demonstration of the recently observed effects caused by side-gate modulation.


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