Superconducting tetrahedral quantum bits

M. V. Feigel'man, L. B. Ioffe, V. B. Geshkenbein, P. Dayal, G. Blatter

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

A design for a qubit with four superconducting islands in the topology of a symmetric tetrahderon was studied. The superconducting islands were frustrated with one-half flux quantum per loop and one-half Cooper pair per island. The stuctures found to be emulates a noise-resistant spin-1/2 system in a vanishing magnetic field. The results show that the flux frustration boost quantum fluctuations and relieves the constraints on junction fabrication.

Original languageEnglish
Article number098301
Pages (from-to)098301-1-098301-4
JournalPhysical Review Letters
Volume92
Issue number9
DOIs
Publication statusPublished - 5 Mar 2004
Externally publishedYes

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