Experimental EPR-steering using Bell-local states
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Erwin Schr椩nger introduced in 1935 the concept of 'steering', which generalizes the famed Einstein-Podolsky-Rosen paradox. Steering sits in between quantum entanglement and non-locality - that is, entanglement is necessary for steering, but steering can be achieved, as has now been demonstrated experimentally, with states that cannot violate a Bell inequality (and therefore non-locality).
© 2010 Nature Publishing Group. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal website for access to the definitive, published version.
Quantum Information, Computation and Communication