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22 papers · 2 filters
Mixed-state certification of quantum capacities for noisy communication channels
Chiara Macchiavello, Massimiliano F. Sacchi
We extend a recent method to detect lower bounds to the quantum capacity of quantum communication channels by considering realistic scenarios with general input probe states and ar…
Detection of properties and capacities of quantum channels
Chiara Macchiavello, Massimiliano F. Sacchi
We review in a unified way a recently proposed method to detect properties of unknown quantum channels and lower bounds to quantum capacities, without resorting to full quantum pro…
The Thirring quantum cellular automaton
A. Bisio, G. M. D'Ariano, P. Perinotti +1
We analytically diagonalize a discrete-time on-site interacting fermionic cellular automaton in the two-particle sector. Important features of the solutions sensibly differ from th…
Multipartite steering inequalities based on entropic uncertainty relations
Alberto Riccardi, Chiara Macchiavello, Lorenzo Maccone
We investigate quantum steering for multipartite systems by using entropic uncertainty relations. We introduce entropic steering inequalities whose violation certifies the presence…
Electromechanical Quantum Simulators
F. Tacchino, A. Chiesa, M. D. LaHaye +2
Digital quantum simulators are among the most appealing applications of a quantum computer. Here we propose a universal, scalable, and integrated quantum computing platform based o…
Quantum Time: experimental multi-time correlations
Ekaterina Moreva, Marco Gramegna, Giorgio Brida +2
In this paper we provide an experimental illustration of Page and Wootters' quantum time mechanism that is able to describe two-time quantum correlation functions. This allows us t…