435 citations · 779 across the 22 of their papers we have counts for
4 papers · 2 filters
Unifying classical and quantum key distillation
Matthias Christandl, Artur Ekert, Michal Horodecki +3
Assume that two distant parties, Alice and Bob, as well as an adversary, Eve, have access to (quantum) systems prepared jointly according to a tripartite state. In addition, Alice…
Inseparability criteria based on matrices of moments
A. Miranowicz, M. Piani, P. Horodecki +1
Inseparability criteria for continuous and discrete bipartite quantum states based on moments of annihilation and creation operators are studied by developing the idea of Shchukin-…
General construction of noiseless networks detecting entanglement with help of linear maps
P. Horodecki, R. Augusiak, M. Demianowicz
We present the general scheme for construction of noiseless networks detecting entanglement with the help of linear, hermiticity-preserving maps. We show how to apply the method to…
Quantum states representing perfectly secure bits are always distillable
Pawel Horodecki, Remigiusz Augusiak
It is proven that recently introduced states with perfectly secure bits of cryptographic key (private states representing secure bit) [K. Horodecki et al., Phys. Rev. Lett. 94, 160…