Professor Sandu Popescu - Quantum non-locality and beyond

Title: Quantum non-locality and beyond
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Abstract: Long considered to be a fringe aspect of quantum mechanics, non-locality is now understood to be one of the main aspects of nature. In my talk I will explain, in elementary terms, what non-locality is. I will then focus on an even more exciting issue. That nonlocality can exist at all, given the constraints imposed by relativistic causality, is an extraordinary fact. Surprisingly, it was found that even stronger nonlocal correlations are possible in principle, without contradicting relativity. Whether or not such correlations exist in nature is an open experimental question. If they exist, quantum mechanics is wrong and has to be replaced. If they do not exist - why not? What is the fundamental physical principle that forbids them? Here, I will review some of the recent directions in the intensive effort to answer this question
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About the speaker: Sandu Popescu is a Romanian-British physicist working in the foundations of quantum mechanics and quantum information. His most important contributions are in the area of quantum nonlocality. Popescu showed that non-locality is a generic property of nature: every entangled pure quantum state (i.e. almost every pure state) has nonlocal properties. Popescu has won numerous awards and honours including but not limited to the Elected Fellow of the Royal Society, Dirac Medal from the Institute of Physics, Cozzarelli Prize, Wolfson Research Merit Award awarded by the Royal Society.
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Видео Professor Sandu Popescu - Quantum non-locality and beyond канала CUPS - Cambridge University Physics Society