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Phys. Rev. Lett. 86, 5188–5191 (2001)

A One-Way Quantum Computer

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Robert Raussendorf and Hans J. Briegel
Theoretische Physik, Ludwig-Maximilians-Universität München, Germany

Received 25 October 2000; published in the issue dated 28 May 2001

We present a scheme of quantum computation that consists entirely of one-qubit measurements on a particular class of entangled states, the cluster states. The measurements are used to imprint a quantum logic circuit on the state, thereby destroying its entanglement at the same time. Cluster states are thus one-way quantum computers and the measurements form the program.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.5188
DOI:
10.1103/PhysRevLett.86.5188
PACS:
03.67.Lx, 03.65.Ud