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Design of gates for quantum computation: the three-spin XOR gate in terms of two-spin interactions

Dima Mozyrsky·Vladimir Privman·Steven P. Hotaling
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Abstract

We propose to design multispin quantum gates in which the input and output two-state systems (spins) are not necessarily identical. We describe the motivations for such studies and then derive an explicit general two-spin interaction Hamiltonian which accomplishes the quantum XOR gate function for a system of three spins: two input and one output.

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Dima Mozyrsky, Vladimir Privman, Steven P. Hotaling. 1998-08-31. Design of gates for quantum computation: the three-spin XOR gate in terms of two-spin interactions. https://doi.org/10.1142/s0217979298000351

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