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To examine the entanglement structure, we introduce the R´ enyi En- tropy: Sα,{A} = 1 1−α ln Tr ρα {A} (19) Forα= 1 R´ enyi Entropy reduces to the von Neumann entropy

R´ enyi Entropy & R´ enyi Mutual Information In many-body physics, the entanglement structure is often the primary lens through which we examine the behavior of largeN-systems

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Improved Approximations for Collective Neutrino Oscillations

hep-ph · 2026-07-30 · conditional · novelty 5.0

A second-order BBGKY closure reproduces exact small-system neutrino dynamics about two orders of magnitude better than mean-field at polynomial cost, and predicts correlated large-N behavior.

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  • Improved Approximations for Collective Neutrino Oscillations hep-ph · 2026-07-30 · conditional · none · ref 2

    A second-order BBGKY closure reproduces exact small-system neutrino dynamics about two orders of magnitude better than mean-field at polynomial cost, and predicts correlated large-N behavior.