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The charge unbinding transition in arrays of tunnel junctions

✍ Scribed by Rosario Fazio; Gerd Schön

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
336 KB
Volume
165-166
Category
Article
ISSN
0921-4526

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✦ Synopsis

Two dimensional arrays of normal and superconducting low capacitance tunnel junctions provide a physical realization of a 2-d Coulomb gas. A Kosterlitz-Thouless-Berezinskii (KTB) phase transition can occur where charge anticharge pairs dissociate. Recent experiments suggest such a transition. It differs from the more familiar vortex unbinding transition. We discuss the influence of single electron tunneling and of the Josephson coupling on the transition temperature.

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