'C60 spin-charging' with an eye on a quantum computer

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© 2015 IOP Publishing Ltd. A question whether there exists an interaction between the spins of the endohedral atom A@C60 and the properties of the confining shell which might affect the alignment of, or manipulation by, the spins for building a register for a quantum computer is discussed. It is argued that an effect, termed the 'C60 spin-charging' effect, can occur in endohedral atoms and would affect the operation of a quantum register. The effect is exemplified by choosing the (Cr and Mn) and (Mo and Tc) transition metal atoms as well as a rare-earth Eu atom as the case study. A class of high-spin atoms which are less suitable for building a quantum register is, thus, identified.

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Journal of Physics B: Atomic, Molecular and Optical Physics

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