Phys. Rev. A 67, 062313 (2003) [7 pages]Qutrit quantum computer with trapped ionsReceived 25 June 2002; revised 14 January 2003; published 26 June 2003 We study the physical implementation of a qutrit quantum computer in the context of trapped ions. Qutrits are defined in terms of electronic levels of trapped ions. We concentrate our attention on a universal two-qutrit gate, which corresponds to a controlled-NOT gate between qutrits. Using this gate and a general gate of an individual qutrit, any gate can be decomposed into a sequence of these gates. In particular, we show how this works for performing the quantum Fourier transform for n qutrits. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.062313
DOI:
10.1103/PhysRevA.67.062313
PACS:
03.67.Lx
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