Abstract
Characteristic velocities of the electromagnetic waves propagating in vertically stacked Josephson transmission are theoretically discussed. An equation for solving n velocities of the waves in an n Josephson-junction stack is derived. The solutions of two- and threefold stacks are especially focused on. Furthermore, under the assumption that all parameters of the layers are equal, analytic solutions for a generic N-fold stack are presented. The velocities of the waves in two- and three-junction stacks by Nb-Al-AlOx-Nb systems are experimentally obtained by measuring the cavity resonance (Fiske step) modes. Comparison of the theory with the experimental data reveals good quantitative agreement.
Original language | English |
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Journal | Physical Review B |
Volume | 50 |
Issue number | 17 |
Pages (from-to) | 12905-12914 |
ISSN | 2469-9950 |
DOIs | |
Publication status | Published - 1994 |
Bibliographical note
Copyright (1994) by the American Physical Society.Keywords
- JOSEPHSON-JUNCTIONS
- SUPERLATTICES