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VOLUME 77 (2003) | ISSUE 6 | PAGE 380
Quantum computer with fixed interaction is universal
PACS: 03.67.Lx
Abstract
It is proved that a quantum computer with fixed and permanent interaction of diagonal type between qubits proposed in the work quant-ph/0201132 is universal. Such computer is controlled only by one-qubit quick transformations, and this makes it feasible.