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quant-ph2005★ 38 cited
Experimenter's Freedom in Bell's Theorem and Quantum Cryptography
Johannes Kofler, Tomasz Paterek, Caslav Brukner
Bell's theorem states that no local realistic explanation of quantum mechanical predictions is possible, in which the experimenter has a freedom to choose between different measure…
quant-ph2005★ 28 cited
Entanglement between Collective Operators in a Linear Harmonic Chain
Johannes Kofler, Vlatko Vedral, Myungshik S. Kim +1
We investigate entanglement between collective operators of two blocks of oscillators in an infinite linear harmonic chain. These operators are defined as averages over local opera…