matrix product states 1nonstabilizerness 1quantum criticality 1stabilizer renyi entropy 1transfer matrix 1
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quant-ph2026
Spectral signatures of nonstabilizerness and criticality in infinite matrix product states
Andrew Hallam, Ryan Smith, Zlatko PapiÄ
The paper introduces a spectral transfer‑matrix method to study the stabilizer Rényi entropy in infinite matrix product states, revealing a distinct correlation length that diverge…
quant-ph2025
Tunable quantum Mpemba effect in long-range interacting systems
Andrew Hallam, Matthew Yusuf, Aashish A. Clerk +2
Symmetry plays a fundamental role in many-body systems, both in and out of equilibrium. The quantum Mpemba effect (QME) - a phenomenon where systems initially farther from equilibr…