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quant-ph2000★ 397 cited
Quantum Correlations in Two-Fermion Systems
John Schliemann, J. Ignacio Cirac, Marek Kus +2
We characterize and classify quantum correlations in two-fermion systems having 2K single-particle states. For pure states we introduce the Slater decomposition and rank (in analog…
quant-ph2000★ 688 cited
Optimization of entanglement witnesses
M. Lewenstein, B. Kraus, J. I. Cirac +1
An entanglement witness (EW) is an operator that allows to detect entangled states. We give necessary and sufficient conditions for such operators to be optimal, i.e. to detect ent…