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Nature. 2008 Jun 19;453(7198):1031-42. doi: 10.1038/nature07128.

Superconducting quantum bits.

Author information

1
Department of Physics,366 LeConte Hall, University of California, Berkeley, California 94720, USA. jclarke@berkeley.edu

Abstract

Superconducting circuits are macroscopic in size but have generic quantum properties such as quantized energy levels, superposition of states, and entanglement, all of which are more commonly associated with atoms. Superconducting quantum bits (qubits) form the key component of these circuits. Their quantum state is manipulated by using electromagnetic pulses to control the magnetic flux, the electric charge or the phase difference across a Josephson junction (a device with nonlinear inductance and no energy dissipation). As such, superconducting qubits are not only of considerable fundamental interest but also might ultimately form the primitive building blocks of quantum computers.

PMID:
18563154
DOI:
10.1038/nature07128

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