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Proceedings Paper

Spin chains with trapped electrons
Author(s): Irene Marzoli; Giacomo Ciaramicoli; Paolo Tombesi
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Paper Abstract

We propose to use a linear array of singly trapped electrons to implement a spin chain for quantum communication. The effective spin-spin interaction is realized by means of a magnetic field gradient, which couples the electron spin to the motional degrees of freedom. Then the Coulomb repulsion between the particles transmits this coupling throughout the array. The resulting system can be described in terms of a Heisenberg model with long-range interactions showing a dipolar decay. We estimate the fidelity of the system in reproducing an ideal spin chain by taking into account the influence of the electron spatial motion.

Paper Details

Date Published: 11 May 2007
PDF: 10 pages
Proc. SPIE 6583, Photon Counting Applications, Quantum Optics, and Quantum Cryptography, 65830X (11 May 2007); doi: 10.1117/12.725659
Show Author Affiliations
Irene Marzoli, Univ. degli Studi di Camerino (Italy)
Giacomo Ciaramicoli, Univ. degli Studi di Camerino (Italy)
Paolo Tombesi, Univ. degli Studi di Camerino (Italy)

Published in SPIE Proceedings Vol. 6583:
Photon Counting Applications, Quantum Optics, and Quantum Cryptography
Miloslav Dusek; Ivan Prochazka; Mark S. Hillery; Alan L. Migdall; Wolfgang P. Schleich; Alexandre Pauchard, Editor(s)

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