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Deutsche Physikalische Gessellschaft IOP Institute of Physics

Trapped-ion qutrit spin molecule quantum computer

D Mc Hugh1 and J Twamley1,2,3

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We present a qutrit quantum computer design using trapped ions in the presence of a magnetic field gradient. The magnetic field gradient induces a 'spin–spin' type coupling, similar to the J-coupling observed in molecules, between the qutrits which allows conditional quantum logic to take place. We describe in some detail how one can execute specific one and two qutrit quantum gates, required for universal qutrit quantum computing.


PACS

03.67.Lx Quantum computation architectures and implementations

Subjects

Computational physics

Quantum information and quantum mechanics

Dates

Issue 1 (August 2005)

Received 13 June 2005

Published 18 August 2005



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