Fullerene-based electron-spin quantum computer

Wolfgang Harneit
Phys. Rev. A 65, 032322 – Published 27 February 2002
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Abstract

We propose an alternative concept for a scalable spin quantum computer that combines aspects of other proposals with the advantageous features of endohedral fullerenes. The key advantages are that electron spins instead of nuclear spins are used and that the manipulation of fullerene molecules is fairly easy. Qubits are set and read out via pulsed electron-spin resonance. Addressing is provided by local magnetic fields or field gradients (A gate). The qubit-qubit interaction is mediated by magnetic dipolar coupling and can be controlled via the direction of the magnetic field with respect to the distance vector of the qubits (J gate). Molecular as well as solid-state architectures are discussed.

  • Received 11 October 2001

DOI:https://doi.org/10.1103/PhysRevA.65.032322

©2002 American Physical Society

Authors & Affiliations

Wolfgang Harneit*

  • Hahn-Meitner-Institut Berlin, Glienickerstrasse 100, D-14109 Berlin, Germany

  • *Electronic address: wolfgang.harneit@hmi.de

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Vol. 65, Iss. 3 — March 2002

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