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Yueh-Nan Chen

2 articles · 8 co-authors · latest: 2026-03-24

Death and Rebirth of Quantum Echo: A Hierarchy of Temporal Correlations in a Qubit

Physicists made a superconducting qubit forget its past—and saw how three types of temporal correlations (non-macrorealism, temporal steering, temporal non-separability) arrange themselves into a logical ladder. These echoes die at different noise levels and can resurrect when the environment briefl
arXiv:2505.01379v1 · 2025-05-02

Quantum Batteries Charge with Explosions in a Time Loop

By mixing charging steps in time, quantum batteries produce energy bursts akin to supernovae and pulsars. The more chargers, the longer the peaks. The effect was tested on real quantum processors.
arXiv:2603.22761 · 2026-03-24