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quant-ph2023★ 1 cited
Sensitivity versus selectivity in entanglement detection via collective witnesses
Vojtěch Trávníček, Jan Roik, Karol Bartkiewicz +3
In this paper, we present a supervised learning technique that utilizes artificial neural networks to design new collective entanglement witnesses for two-qubit and qubit-qutrit sy…
quant-ph2018★ 10 cited
Measuring distances in Hilbert space by many-particle interference
Karol Bartkiewicz, Vojtěch Trávníček, Karel Lemr
The measures of distances between points in a Hilbert space are one of the basic theoretical concepts used to characterize properties of a quantum system with respect to some etalo…