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Error avoiding quantum codes

Paolo Zanardi
(
- ISI, Turin
)
,
Mario Rasetti
(
- Turin Polytechnic
)

Oct, 1997

9 pages

Published in:

Mod.Phys.Lett.B 11 (1997) 1085

e-Print:

quant-ph/9710041 [quant-ph]

DOI:

10.1142/S0217984997001304

View in:

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Abstract:

The existence is proved of a class of open quantum systems that admits a linear subspace

{\cal C}

of the space of states such that the restriction of the dynamical semigroup to the states built over

\cal C

is unitary. Such subspace allows for error-avoiding (noiseless) enconding of quantum information.

Note:

9 pages, LaTeX

References(12)

Figures(0)

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(
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- Turin Polytechnic
)

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