Phys. Rev. A 65, 052309 (2002) [5 pages]Scalable architecture for spin-based quantum computers with a single type of gateReceived 22 November 2001; published 24 April 2002 We propose a scalable design for a solid-state spin-based quantum computer. It uses endohedral fullerenes like N@C60 or P@C60, which can be positioned on Si surfaces with a scanning tunneling microscope. Each logical qubit is stored in two physical qubits, corresponding to the nuclear and electronic spins. We discuss the addressing of individual qubits by a magnetic field gradient, and the implementation of one- and two-qubit quantum gates by sequences of radio-frequency and microwave pulses. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.052309
DOI:
10.1103/PhysRevA.65.052309
PACS:
03.67.Lx, 61.48.+c
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