423 citations · 2.3k across the 25 of their papers we have counts for
6 papers · 2 filters
State-independent quantum contextuality with single photons
Elias Amselem, Magnus Radmark, Mohamed Bourennane +1
We present an experimental state-independent violation of an inequality for noncontextual theories on single particles. We show that 20 different single-photon states violate an in…
Towards a loophole-free test of Bell's inequality with entangled pairs of neutral atoms
Wenjamin Rosenfeld, Markus Weber, Juergen Volz +5
Experimental tests of Bell's inequality allow to distinguish quantum mechanics from local hidden variable theories. Such tests are performed by measuring correlations of two entang…
Experimental Entanglement and Nonlocality of a Two-Photon Six-Qubit Cluster State
Raino Ceccarelli, Giuseppe Vallone, Francesco De Martini +2
We create a six-qubit linear cluster state by transforming a two-photon hyperentangled state in which three qubits are encoded in each particle, one in the polarization and two in…
State-independent experimental test of quantum contextuality
G. Kirchmair, F. Zähringer, R. Gerritsma +5
The question of whether quantum phenomena can be explained by classical models with hidden variables is the subject of a long lasting debate. In 1964, Bell showed that certain type…
Experimental test of quantum contextuality in neutron interferometry
H. Bartosik, J. Klepp, C. Schmitzer +4
We performed an experimental test of the Kochen-Specker theorem based on an inequality derived from the Peres-Mermin proof, using spin-path (momentum) entanglement in a single neut…
Compact set of invariants characterizing graph states of up to eight qubits
Adan Cabello, Antonio J. Lopez-Tarrida, Pilar Moreno +1
The set of entanglement measures proposed by Hein, Eisert, and Briegel for n-qubit graph states [Phys. Rev. A 69, 062311 (2004)] fails to distinguish between inequivalent classes u…