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quant-ph2026
Noise-Symmetry Optimization of Quantum Error-Corrected Metrology
Shuyun Su, Shengshi Pang
Quantum error correction (QEC) codes have emerged as a powerful tool to protect quantum-enhanced metrology against noise. However, the ability to correct errors alone does not guar…
quant-ph2026
Hamiltonian Conditions for Dark Modes in Multimode Bosonic Systems
Zuxin Wu, Shengshi Pang
Dark modes arise when destructive interference prevents selected bosonic degrees of freedom from coupling to environmental channels. We formulate a Hamiltonian criterion for identi…