Tuesday, March 20, 2012

1203.4215 (Yelena Guryanova et al.)

The Complete Quantum Cheshire Cat    [PDF]

Yelena Guryanova, Nicolas Brunner, Sandu Popescu
We show that a physical property can be entirely separated from the object it belongs to, hence realizing a complete quantum Cheshire cat. Our setup makes use of a type of quantum state of particular interest, namely an entangled pre- and post-selected state, in which the pre- and post-selections are entangled with each other. Finally we propose a scheme for the experimental implementation of these ideas.
View original: http://arxiv.org/abs/1203.4215

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