Preprint
Sep 2026
Contact order governs the onset of entanglement cascades
Entangling rates describe a direct entangling channel, but give no information when that channel is forbidden. For finite-dimensional analytic pure-state dynamics, we show that the onset of genuine $(n+1)$-partite entanglement is determined by the contact order $m_\star$ between the physical trajectory and the $S|E$ pr...
S. Kanno, Jiro Soda
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