Author

Xiao Xiao

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Preprint Oct 2026

Single-shot magic state factories for quantum LDPC codes

Quantum low-density parity-check (qLDPC) codes can substantially reduce the qubit overhead of fault-tolerant quantum computation, but any useful architecture based on such codes also requires an efficient mechanism to implement non-Clifford gates in a fault-tolerant manner. We introduce a space-time-efficient magic sta...

Varun Menon, Rohan Mehta, An-Di Gu et al. · 1 citation

Preprint Oct 2026

Efficient fidelity simulation of high-rate magic distillation circuits

Non-Clifford gates are essential for avoiding classical simulability under the Gottesman-Knill theorem. An error-corrected circuit with non-Clifford gates will therefore be an important element for realizing useful fault-tolerant quantum algorithms. However, accurately understanding the fault-tolerant performance of su...

Xiao Xiao, Dominik Hangleiter, J. P. Ataides et al. · 1 citation

Preprint Jul 2026

Probing two-spin entanglement at quantum criticality on a quantum processor

Quantum phase transitions in many-body systems give rise to highly entangled states, and understanding their quantum correlations is crucial for characterizing quantum materials. However, traditional entanglement measures such as entanglement entropy are difficult to interpret for noisy or mixed states and require comp...

Anshumitra Baul, Xiao Xiao, Phillip C. Lotshaw · 1 citation