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quant-ph2007★ 71 cited
Improved bounds in entropic uncertainty relations
Julio I. de Vicente, Jorge Sánchez-Ruiz
Entropic uncertainty relations place nontrivial lower bounds to the sum of Shannon information entropies for noncommuting observables. Here we obtain a novel lower bound on the ent…
quant-ph2005
Separability conditions from the Landau-Pollak uncertainty relation
Julio I. de Vicente, Jorge Sánchez-Ruiz
We obtain a collection of necessary (sufficient) conditions for a bipartite system of qubits to be separable (entangled), which are based on the Landau-Pollak formulation of the un…