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Mode Engineering with a One-dimensional Superconducting Metamaterial by Taguchi, Masahiko; Basko, Denis M.; Hekking, Frank W. J. is a scholarly article available to read on EtoBox.

What is Mode Engineering with a One-dimensional Superconducting Metamaterial about?

We propose a way to control the Josephson energy of a single Josephson junction embedded in one- dimensional superconducting metamaterial: an inhomogeneous superconducting loop, made out of a superconducting nanowire or a chain of Josephson junctions. The Josephson energy is renormalized by the electromagnetic modes propagating along the loop. We study the behaviour of the modes as well as of their frequency spectrum when the capacitance and the inductance along the loop are spatially modulated. We show that, depending on the amplitude of the modulation, the renormalized Josephson energy is either larger or smaller than the one found for a homogeneous loop. Using typical experimental parameters for Josepshon junction chains and superconducting nanowires, we conclude that this mode-engineering can be achieved with currently available metamaterials.

Author

Taguchi, Masahiko; Basko, Denis M.; Hekking, Frank W. J.

Published

2015

Language

EN