Kean Chen

1 articles · 1 co-authors · latest: 2026-08-18
174 citations · h-index 7 · 21 papersData: Semantic Scholar

We have retold 1 papers by this author. 1 of them with a full read. most often about: von Neumann entropy, quantum measurement, entropy. 1 co-authors across our retellings.

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Measuring Chaos Without Burning Extra Copies
A quantum state is like mountain weather: it changes with every glance. To estimate its uncertainty, physicists make copies and take measurements. Each copy is a thermometer that breaks after use.