Superconducting Vortex Logic Antidots

Details Superconducting Vortex Logic Antidots Superconducting Vortex Logic Antidots

2003-07-23

arxiv.org/abs/cond-mat/0307596v1

Physics

Condensed Matter

Superconductivity

5 pages, 3 postscript figures

Scientific paper

We examine a building block for logic devices in which the positions of superconducting vortices in coupled elongated antidots provide the elementary logic states of 0 and 1. We show analytically and through simulation the maximum operating frequency of a pair of antidots as a function of antidot spacing and elongation. At finite temperatures, a signal can propagate through a series of identically shaped antidots with correctly chosen spacing, with an exponential distribution of switching times for the signal to move over by one antidot.

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