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Open Quantum Systems Decoherence

Information processing using three-qubit and qubit-qutrit encodings of noncomposite quantum systems

arXiv
Authors: A. A. Popov, E. O. Kiktenko, A. K. Fedorov, V. I. Man'ko

Year

2016

Paper ID

42874

Status

Preprint

Abstract Read

~2 min

Abstract Words

93

Citations

N/A

Abstract

We study quantum information properties of a seven-level system realized by a particle in an one-dimensional square-well trap. Features of encodings of seven-level systems in a form of three-qubit or qubit-qutrit systems are discussed. We use the three-qubit encoding of the system in order to investigate subadditivity and strong subadditivity conditions for the thermal state of the particle. The qubit-qutrit encoding is employed to suggest a single qudit algorithm for calculation of parity of a bit string. Obtained results indicate on the potential resource of multilevel systems for realization of quantum information processing.

Why This Paper Matters

  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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  • We study quantum information properties of a seven-level system realized by a particle in an one-dimensional square-well trap.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1610.05576 [2] arXiv https://arxiv.org/abs/1610.05576 [3] Publisher https://arxiv.org/abs/1610.05576

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