Low rank and sparse dynamical maps and repeated entries in the process matrix
classification
🪐 quant-ph
keywords
rankdynamicalentriesmapsmatrixprocesssparsebasis
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We show that the process matrix in the basis of tensor products of Pauli operators or SU(N) generators representing low rank and sparse dynamical maps will have only a few distinct entries which goes as $O(r^2)$ ($r$ is the rank).
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