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		<rdfs:label><![CDATA[Multi-Qubit Correction for Quantum Annealers]]></rdfs:label>
		<pub:title><![CDATA[Multi-Qubit Correction for Quantum Annealers]]></pub:title>
		<pub:publishedOn rdf:datatype="&xsd;dateTime">2021-07-08T00:00:00-05:00</pub:publishedOn>
		<pub:abstract><![CDATA[We present multi-qubit correction (MQC) as a novel postprocessing method for quantum annealers that views the evolution in an open system as a Gibbs sampler and reduces a set of excited states to a new synthetic state with a lower energy value.  After sampling from the ground state of a given (Ising) Hamiltonian, MQC compares pairs of excited states to recognize virtual tunnels — i.e., a group of qubits that changing their states simultaneously can result in a new state with a lower energy value — and successively converges to the ground state. Experimental results using D-Wave 2000Q quantum annealers demonstrate that MQC finds samples with notably lower energy values and improves the reproducibility of results when compared to recent hardware/software advances in the realm of quantum annealing, such as spin-reversal transforms, classical post-processing techniques, and increased inter-sample delay between successive measurements.

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		<pub:number><![CDATA[16119]]></pub:number>
		<pub:note><![CDATA[DOI: <a href="https://doi.org/10.1038/s41598-021-95482-w">10.1038/s41598-021-95482-w</a>

<h3> <a href="https://zenodo.org/record/5142230">Source Code</a></h3>


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		<pub:volume><![CDATA[11]]></pub:volume>
		<pub:counter>1181</pub:counter>
		<pub:tag><![CDATA[d-wave]]></pub:tag>
		<pub:tag><![CDATA[quantum]]></pub:tag>
		<pub:tag><![CDATA[quantum annealing]]></pub:tag>
		<pub:tag><![CDATA[quantum computing]]></pub:tag>
		<pub:booktitle><![CDATA[Nature Scientific Reports]]></pub:booktitle>
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<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/John/Dorband"><person:name><![CDATA[John E Dorband]]></person:name><rdfs:label><![CDATA[John E Dorband]]></rdfs:label></person:Person>
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