Author

J. Garrison

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Open access Mar 2026

Symmetry-protected topological order in a 100-site spin chain on a digital quantum computer

Symmetry-protected topological (SPT) systems extend the Landau paradigm of quantum matter by admitting distinct phases that lack local order parameters, making them challenging to characterise using conventional experimental probes. While material platforms provide important evidence for SPT order through indicative si...

G. Pennington, Kevin C. Smith, J. Garrison et al. · npj Quantum Information · 3 citations

Preprint Sep 2026

Lindblad Multiproduct Formulas

We introduce Lindblad Multiproduct Formulas: a quantum error mitigation technique that uses two-dimensional tensor networks contracted with loop-corrected belief propagation. The quantities required to implement the error mitigation scheme that are evaluated with tensor networks can be less computationally expensive to...

Niall F. Robertson, Andrea D'Urbano, Anton Dekusar et al. · 1 citation