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Realization of the quantum Fourier transform and simulation of a wave function on a quantum computer with fixed continuous interaction

Yu. I. Ozhigov

Insitute of Physics and Technology, Russian Academy of Sciences, Moscow

Abstract: A model of a quantum computer with diagonal continuous interaction between qubits is proposed. Such a computer is controlled only by short single-qubit operations. The realization of quantum Fourier transform and simulation of the wave function of a many-particle problem with linear and quadratic potentials on this quantum computer are discussed. This method applies to a wide class of diagonal interactions and to the case, where the interactions of different qubits are different.

PACS: 03.67.Lx

Received: 01.04.2002
Revised: 21.10.2002

 English version: Journal of Experimental and Theoretical Physics Letters, 2002, 76:10, 641–645

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