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Author

Donghoon Kim

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Preprint Sep 2026

Collectivity limits quantum entanglement

Understanding what limits many-body quantum entanglement is a central problem in physics. Spatial locality has long provided a fundamental mechanism: correlations between a region and its complement must be mediated through a small spatial interface, thereby constraining their entanglement. Here we show that universal...

Donghoon Kim, Tomotaka Kuwahara · 0 citations
Preprint Sep 2026

Collectivity limits quantum entanglement

Understanding what limits many-body quantum entanglement is a central problem in physics. Spatial locality has long provided a fundamental mechanism: correlations between a region and its complement must be mediated through a small spatial interface, thereby constraining their entanglement. Here we show that universal...

Donghoon Kim, Tomotaka Kuwahara · 0 citations
Preprint Sep 2026

Optimal low-rank compression of quantum dynamics

Local quantum interactions generate dynamics in an exponentially large Hilbert space, yet locality and entanglement restrict the information that can spread and accumulate. Bounds on propagation and entanglement growth, together with tensor networks, exploit these restrictions to discard information unnecessary for des...

H. Mackay, Donghoon Kim, Tan Van Vu et al. · 0 citations

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