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- W2091556039 abstract "We describe a generic way to improve a given linear entanglement witness by a quadratic, nonlinear term. This method can be iterated, leading to a whole sequence of nonlinear witnesses, which become stronger in each step of the iteration. We show how to optimize this iteration with respect to a given state, and prove that in the limit of the iteration the nonlinear witness detects all states that can be detected by the positive map corresponding to the original linear witness." @default.
- W2091556039 created "2016-06-24" @default.
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- W2091556039 date "2008-09-23" @default.
- W2091556039 modified "2023-09-25" @default.
- W2091556039 title "Iterations of nonlinear entanglement witnesses" @default.
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- W2091556039 doi "https://doi.org/10.1103/physreva.78.032326" @default.
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