Anmer Daskin, Ananth Grama, Giorgos Kollias, Sabre Kais
We present scalable programmable quantum circuit schemes to simulate any given real unitary by setting the angle values in the circuit. This provides a fixed circuit design whose angles are determined from the elements of the given unitary in an efficient way by benefiting from the decomposition of a uniformly controlled network. In addition, the quantum complexity for the circuit is almost the same as non-general circuits.
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http://arxiv.org/abs/1204.3600
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