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Showing 2026 · quant-phShow all
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quant-ph2026
Dynamics of ideal quantum measurement of a spin 1 with a Curie-Weiss magnet
Theodorus Maria Nieuwenhuizen
Quantum measurement is a dynamical process of an apparatus coupled to a test system. Ideal measurement of the -component of a spin- () has been…
quant-ph2026
Plethysm is in #BQP
Matthias Christandl, Aram W. Harrow, Greta Panova +2
Some representation-theoretic multiplicities, such as the Kostka and the Littlewood-Richardson coefficients, admit a combinatorial interpretation that places their computation in t…