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- Forschungszentrum JülichDE94 papers
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13 papers · 2 filters
Compressive gate set tomography
Raphael Brieger, Ingo Roth, Martin Kliesch
Flexible characterization techniques that identify and quantify experimental imperfections under realistic assumptions are crucial for the development of quantum computers. Gate se…
Device-independent secret key rates via a post-selected Bell inequality
Sarnava Datta, Hermann Kampermann, Dagmar Bruß
In device-independent quantum key distribution (DIQKD) the security is not based on any assumptions about the intrinsic properties of the devices and the quantum signals, but on th…
Stochastic approximate state conversion for entanglement and general quantum resource theories
Tulja Varun Kondra, Chandan Datta, Alexander Streltsov
Quantum resource theories provide a mathematically rigorous way of understanding the nature of various quantum resources. An important problem in any quantum resource theory is to…
Secure Anonymous Conferencing in Quantum Networks
Federico Grasselli, Gláucia Murta, Jarn de Jong +4
Users of quantum networks can securely communicate via so-called (quantum) conference key agreement --making their identities publicly known. In certain circumstances, however, com…
Addressable quantum gates
Pablo Arrighi, Christopher Cedzich, Marin Costes +2
We extend the circuit model of quantum computation so that the wiring between gates is soft-coded within registers inside the gates. The addresses in these registers can be manipul…
Experimental test of quantum causal influences
Iris Agresti, Davide Poderini, Beatrice Polacchi +8
Since Bell's theorem, it is known that the concept of local realism fails to explain quantum phenomena. Indeed, the violation of a Bell inequality has become a synonym of the incom…