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Intuition about Knill-Laflamme QEC conditions

error-correction
Nov 29 '19 at 17:29 Sanchayan Dutta 14.3k
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Why can any LOCC operation be written as $\sum_k (A_k\otimes B_k)\rho(A_k^\dagger\otimes B_k^\dagger)$?

quantum-operation locc-operation
Jul 27 at 12:31 glS 11.8k
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What is the relevance of preservation of trace in completely postive trace preserving (CPTP) maps?

density-matrix quantum-operation
May 8 '19 at 10:28 Sanchayan Dutta 14.3k
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