Ronald Hanson and Krister Shalm
Spooky Quantum Action Passes Test
Recent experiments quash the hope that the unsettling phenomenon of quantum entanglement can be explained away
Scientific American, 2018
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It turns out that quantum entanglement, which Einstein called “spooky action,” is real. Spooky indeed.
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Quantum theory is at once one of the most reliably tested and counterintuitive elements of physics. While photovoltaic cells light prople’s homes, and pictures of black holes lit by Hawking radiation populate news feeds, people still struggle to make intuitive sense of quantum phenomena. In an absorbing and accessible paper, Ronald Hanson and Krister Shalm outline the experiments that have demonstrated the validity of quantum entanglement and how it will form the basis of many new communication and measurement technologies.
Summary
About the Authors
Ronald Hanson is a physicist at Delft University of Technology and scientific director of its QuTech research center, a collaboration with the Netherlands Organization for Applied Scientific Research (TNO), focused on quantum computing and quantum Internet technology. Krister Shalm is a physicist at the National Institute of Standards and Technology and the University of Colorado Boulder, where he develops tools to test foundational issues in quantum mechanics.
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