Quantum phase estimation algorithm in presence of static imperfections

Details Quantum phase estimation algorithm in presence of static imperfections Quantum phase estimation algorithm in presence of static imperfections

2007-11-12

arxiv.org/abs/0711.1756v1

Eur. Phys. J. D 47, 151 (2008)

Physics

Quantum Physics

5 pages, 5 figures. Research avilable at http://www.quantware.ups-tlse.fr/

Scientific paper

10.1140/epjd/e2008-00043-1

We study numerically the effects of static imperfections and residual couplings between qubits for the quantum phase estimation algorithm with two qubits. We show that the success probability of the algorithm is affected significantly more by static imperfections than by random noise errors in quantum gates. An improvement of the algorithm accuracy can be reached by application of the Pauli-random-error-correction method (PAREC).

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