Macroscopic quantum phenomena in Josephson structures

Физика Низких Температур: Том 36, Выпуск 10-11 (Октябрь 2010), c. 1098-1106 ( к оглавлению , назад )

Macroscopic quantum phenomena in Josephson structures

A. Barone

Dip. Scienze Fisiche, Facoltá di Ingegneria, Universitá di Napoli Federico II Piazzale Tecchio 80, Napoli 80125 and CNR-SPIN Napoli, Italy
E-mail: barone@na.infn.it

F. Lombardi

Quantum Device Physics Laboratory, Dept. of Microtechnology and Nanoscience Chalmers University of Technology, SE-412 96, Goteborg, Sweden

G. Rotoli and F. Tafuri

Dip. Ingegneria dell'Informazione, Facoltá di Ingegneria, Seconda Universitá di Napoli via Roma 29, Aversa (CE) 81031 and CNR-SPIN Napoli, Italy

Received April 13, 2010

Abstract

The Josephson effect is a probe of unparalleled performances in the study of a variety of macroscopic quantum phenomena. In the present article an overview of important achievements and challenging trends is given referring, in particular, to macroscopic quantum tunneling and energy level quantization. The attention is mainly addressed to high-T_C superconducting structures and recent investigations concerning nanostructures.

PACS: 74.72.–h Cuprate superconductors;
PACS: 74.81.Fa Josephson junction arrays and wire networks;
PACS: 75.20.–g Diamagnetism, paramagnetism, and superparamagnetism.

Key words: macroscopic quantum phenomena, Josephson structures.

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