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- National Quantum Information Centre in GdanskPL167 papers
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18 papers · 2 filters
Homogenization of Bell inequalities
Yu-Chun Wu, Marek Żukowski
A technique, which we call homogenization, is applied to transform CH-type Bell inequalities, which contain lower order correlations, into CHSH-type Bell inequalities, which are de…
N-particle nonclassicality without N-particle correlations
Marcin Wieśniak, Mohamed Nawareg, Marek Żukowski
Most of known multipartite Bell inequalities involve correlation functions for all subsystems. They are useless for entangled states without such correlations. We give a method of…
Nonclassicality of pure two-qutrit entangled states
Jacek Gruca, Wieslaw Laskowski, Marek Zukowski
We report an exhaustive numerical analysis of violations of local realism by two qutrits in all possible pure entangled states. In Bell type experiments we allow any pairs of local…
The Resource Theory of Quantum States Out of Thermal Equilibrium
Fernando G. S. L. Brandão, Michał Horodecki, Jonathan Oppenheim +2
The ideas of thermodynamics have proved fruitful in the setting of quantum information theory, in particular the notion that when the allowed transformations of a system are restri…
Fundamental limitations for quantum and nano thermodynamics
Michał Horodecki, Jonathan Oppenheim
The relationship between thermodynamics and statistical physics is valid in the thermodynamic limit - when the number of particles becomes very large. Here, we study thermodynamics…
Experimental Schmidt Decomposition and Entanglement Detection
Wieslaw Laskowski, Daniel Richart, Christian Schwemmer +2
We introduce an experimental procedure for the detection of quantum entanglement of an unknown quantum state with as few measurements as possible. The method requires neither a pri…