Josephson Persistent-Current Qubit

J.E. Mooij, T.P. Orlando, L. Levitov, Lin Tian, Caspar H. van der Wal, Seth Lloyd

OnderzoeksoutputAcademic

1223 Citaten (Scopus)
975 Downloads (Pure)

Samenvatting

A qubit was designed that can be fabricated with conventional electron beam lithography and is suited for integration into a large quantum computer. The qubit consists of a micrometer-sized loop with three or four Josephson junctions; the two qubit states have persistent currents of opposite direction. Quantum superpositions of these states are obtained by pulsed microwave modulation of the enclosed magnetic flux by currents in control lines. A superconducting flux transporter allows for controlled transfer between qubits of the flux that is generated by the persistent currents, leading to entanglement of qubit information.
Originele taal-2English
Aantal pagina's4
TijdschriftPhysical Review B
Volume60
Nummer van het tijdschrift22
StatusPublished - 1999

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