269 citations · 3k across the 72 of their papers we have counts for
5 papers · 1 filter
Nonlocality of and Dicke states subject to losses
Tomer Jack Barnea, Gilles Pütz, Jonatan Bohr Brask +3
We discuss the nonlocality of the and the Dicke states subject to losses. We consider two noise models, namely loss of excitations and loss of particles, and investigate how mu…
A unifying framework for relaxations of the causal assumptions in Bell's theorem
Rafael Chaves, Richard Kueng, Jonatan Bohr Brask +1
Bell's Theorem shows that quantum mechanical correlations can violate the constraints that the causal structure of certain experiments impose on any classical explanation. It is th…
Improved Quantum Magnetometry beyond the Standard Quantum Limit
J. B. Brask, R. Chaves, J. Kolodynski
Under ideal conditions, quantum metrology promises a precision gain over classical techniques scaling quadratically with the number of probe particles. At the same time, no-go resu…
Optimal randomness generation from optical Bell experiments
Alejandro Máttar, Paul Skrzypczyk, Jonatan Bohr Brask +2
Genuine randomness can be certified from Bell tests without any detailed assumptions on the working of the devices with which the test is implemented. An important class of experim…
A self-testing quantum random number generator
Tommaso Lunghi, Jonatan Bohr Brask, Charles Ci Wen Lim +5
The generation of random numbers is a task of paramount importance in modern science. A central problem for both classical and quantum randomness generation is to estimate the entr…