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Scientific Article
unige:84468 
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Joint Measurability, Einstein-Podolsky-Rosen Steering, and Bell Nonlocality |
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| Published in | Physical Review Letters. 2014, vol. 113, no. 16, p. 160402 | |
| Abstract | We investigate the relation between the incompatibility of quantum measurements and quantum nonlocality. We show that a set of measurements is not jointly measurable (i.e., incompatible) if and only if it can be used for demonstrating Einstein-Podolsky-Rosen steering, a form of quantum nonlocality. Moreover, we discuss the connection between Bell nonlocality and joint measurability, and give evidence that both notions are inequivalent. Specifically, we exhibit a set of incompatible quantum measurements and show that it does not violate a large class of Bell inequalities. This suggests the existence of incompatible quantum measurements which are Bell local, similarly to certain entangled states which admit a local hidden variable model. | |
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| Citation (ISO format) | QUINTINO, Marco Tulio, VÉRTESI, Tamás, BRUNNER, Nicolas. Joint Measurability, Einstein-Podolsky-Rosen Steering, and Bell Nonlocality. In: Physical Review Letters, 2014, vol. 113, n° 16, p. 160402. doi: 10.1103/PhysRevLett.113.160402 https://archive-ouverte.unige.ch/unige:84468 |
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