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quant-ph2017★ 6 cited
Petz recovery versus matrix reconstruction
Milan Holzäpfel, Marcus Cramer, Nilanjana Datta +1
The reconstruction of the state of a multipartite quantum mechanical system represents a fundamental task in quantum information science. At its most basic, it concerns a state of…
quant-ph2017★ 1 cited
Multiparticle entanglement criteria for nonsymmetric collective variances
Oliver Marty, Marcus Cramer, Giuseppe Vitagliano +2
We introduce a general scheme to detect various multiparticle entanglement structures from global non-permutationally invariant observables. In particular, we derive bounds on the…