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Efficient implementation of Quantum circuits with limited qubit interactions

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arxiv 1507.04263 v2 pith:KPJRWZCC submitted 2015-07-15 quant-ph

classification quant-ph
keywords quantumgraphcircuitcircuitsefficientgatesinteractionslimited
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The quantum circuit model allows gates between any pair of qubits yet physical instantiations allow only limited interactions. We address this problem by providing an interaction graph together with an efficient method for compiling quantum circuits so that gates are applied only locally. The graph requires each qubit to interact with 4 other qubits and yet the time-overhead for implementing any n-qubit quantum circuit is 6 log n. Building a network of quantum computing nodes according to this graph enables the network to emulate a single monolithic device with minimal overhead.

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Cited by 1 Pith paper

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  1. Quantum Algorithms for Jet Clustering

    hep-ph 2019-08 accept novelty 7.0 of 10

    Thrust can be computed in O(N^2) time with a Grover-based quantum algorithm under a sequential data-loading model, and in O(N^2 log N) time classically with sorting, but the quantum advantage is only formal for very r...

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