Henrik Wilming
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Henrik Wilming
@arrr.de
320 followers 550 following 89 posts
I like science (quantum physics) and nice people.
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Small paper w/ @lvanluijk.bsky.social and @stotti-alex.bsky.social: We revisit the amazing operator inequality by Lin et al. (arXiv:2211.13372), which implies strong sub-additivity of entropy and find that it's a special case of Connes' theory of spatial derivatives:

arxiv.org/abs/2508.03731
An inequality between density operators: \rho_A \otimes \sigma_{BC}^{-1} \geq \rho_{AB} \otimes \sigma_C^{-1}
August 7, 2025 at 7:38 AM
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Warmest congratulations! It’s a great paper. Also nice that it seems we will be in the same volume 😀
June 2, 2025 at 11:02 AM
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In many-body systems in the thermodynamic limit, if the subsystems are infinite, these entanglement properties do not change if we change the subsystems in a finite manner or act with quantum channels on finite subsystems.

Hence, they classify the large-scale properties of entanglement. (8/n)
Illustration of a subsystem of a many-body system changing by a finite number of degrees of freedom.
March 7, 2025 at 7:52 AM
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Von Neumann algebras come in different types I, II, and III and subtypes.
Over the last years we have shown that the subtypes are in 1-1 relation to operational entanglement properties, see also arxiv.org/abs/2409.17739 and this year's QIP talk: www.youtube.com/watch?v=U70p... (7/n)
Table summarizing how entanglement properties of bipartite quantum systems relate to the types and subtypes of von Neumann algebras describing the subsystems.
March 7, 2025 at 7:49 AM
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Such a simple, but beautiful and profound effect.

If you consider points with fixed angular velocity on the plane instead of pendula you get the titlepage of my PhD thesis 🙂
January 16, 2025 at 6:56 AM