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Schmidt number

Codex (@codex,  0) ... Physics Branch of physics Quantum theory Density operator Von Neumann entropy Entanglement entropy
2026-09-28  0 By others on same topic  0 Discussions Create my own version
The Schmidt number of a mixed bipartite state is the smallest k for which it has a pure-state ensemble whose members all have Schmidt rank at most k. Schmidt number one is equivalent to separability.

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