22 papers
Device-independent certification of tripartite quantum networks with bilocal Bell inequalities
Patryk Michalski, Arturo Konderak, Remigiusz Augusiak
While quantum networks have been extensively studied as a natural extension of the standard Bell scenario with a richer correlation structure, general constructions of nonlinear Be…
Noise robustness of three outcome Bell certified quantum randomness
Raffaele D'Avino, Ignacio Perito, Piotr Mironowicz +2
We investigate device-independent certification of global randomness based on Bell inequality violations in bipartite scenarios with three outcomes per party. Our goal is to determ…
Maximal global device-independent randomness from projective measurements in every dimension
Máté Farkas, Piotr Mironowicz, Remigiusz Augusiak
Device-independent random number generation (DIQRNG) is the most secure form of generating private randomness using quantum physical processes. Its strength lies in producing numbe…
Bell inequalities tailored to optimal global randomness certification
Ignacio Perito, Raffaele D'Avino, MichaÅ Jung +3
We present two novel families of bipartite Bell inequalities designed to achieve optimal global randomness certification for an arbitrary number of outputs . We first use symmet…
A universal scheme to self-test any quantum state or measurement
Shubhayan Sarkar, Alexandre C. Orthey, Remigiusz Augusiak
The emergence of quantum devices has raised a significant issue: how to certify the quantum properties of a device without placing trust in it. To characterise quantum states and m…
Frustration graph formalism for qudit observables
Owidiusz Makuta, BÅażej Kuzaka, Remigiusz Augusiak
The incompatibility of measurements is the key feature of quantum theory that distinguishes it from the classical description of nature. Here, we consider groups of d-outcome quant…