Author

Rui-Zhe Shen

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Preprint Oct 2026

Exploring Quantum Phase Transitions Beyond Landau Theory on a Quantum Processor

Direct continuous quantum phase transitions between phases that break distinct symmetries challenge the conventional Landau-Ginzburg-Wilson paradigm and provide a framework for deconfined quantum criticality. Here, we investigate a Landau-forbidden ferromagnetic-to-valence-bond-solid (FM-VBS) transition in a frustrated...

Rui-Zhe Shen, Yin Zhong, Ching-Hua Lee · 0 citations

Preprint Sep 2026

Realization of decoherence-induced averaged symmetry-protected topological phases on quantum processors

Symmetry-protected topological (SPT) phases are conventionally formulated for pure states protected by exact symmetries. In open quantum systems, however, decoherence generates mixed-state ensembles in which average symmetry can instead emerge only after averaging over microscopic trajectories. In this work, we realize...

Rui-Zhe Shen, Xue-Jia Yu, Ching-Hua Lee · 2 citations

Review Aug 2026

Practical Error Suppression and Mitigation for Reliable Quantum Computing

This review examines how error mitigation techniques can be adapted to encoded and logical-qubit settings so that they can operate alongside quantum error correction to suppress residual logical errors and improve the accuracy of computation in the early fault-tolerant regime.

Han-Ze Li, Mengjie Yang, Xian-Quan Yan et al. · 3 citations