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Proceedings Paper

Coding of the quantum information on virtual qubits
Author(s): Alexander R. Kessel; Vladimir L. Ermakov
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Paper Abstract

One qubit is mapped to two level system in the standard model of quantum computation: a typical example is a spin-1/2 system. Further progress requires the use of network of multilevel quantum systems of different physical origin in solids: optical levels, large or strong interacting spins etc. We propose virtual qubit formalism and show how the quantum objects state space can be used as a basis for multiqubit information recording and processing in a quantum computer. It is suggested to map the qubits into solid state NMR spin system collective states instead of the state of the individual spin. Such an approach introduces the stable computational basis without any additional actions and allows to obtain the universal set of quantum gates, which operation time is determined only by the RF pulses.

Paper Details

Date Published: 15 November 2001
PDF: 4 pages
Proc. SPIE 4605, PECS 2001: Photon Echo and Coherent Spectroscopy, (15 November 2001); doi: 10.1117/12.447947
Show Author Affiliations
Alexander R. Kessel, Kazan Physical-Technical Institute (Russia)
Vladimir L. Ermakov, Kazan Physical-Technical Institute (Russia)

Published in SPIE Proceedings Vol. 4605:
PECS 2001: Photon Echo and Coherent Spectroscopy
Vitaly V. Samartsev, Editor(s)

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