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Deutsche Physikalische Gessellschaft IOP Institute of Physics

Error avoiding quantum codes and dynamical stabilization of Grover's algorithm

Focus on Microlaser and Cavity QED

Michael Mussinger, Aldo Delgado and Gernot Alber

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Part of Focus on Microlaser and Cavity QED

Dynamical stabilization properties of error avoiding quantum codes are investigated beyond the perturbative regime. As an example Grover's search algorithm and its behaviour under a particular class of coherent errors are studied. Numerical examples which demonstrate that error avoiding quantum codes may be capable of stabilizing quantum algorithms well beyond the regime for which they were designed originally are presented.


PACS

03.67.Lx Quantum computation architectures and implementations

MSC

81P68 Quantum computation and quantum cryptography (See also 68Q05, 94A60)

Subjects

Computational physics

Quantum information and quantum mechanics

Dates

Issue 1 (September 2000)

Received 31 March 2000

Published 12 September 2000



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