Quantum Cheshire Cats

In this paper we present a quantum Cheshire Cat. In a pre- and post-selected experiment we find the Cat in one place, and its grin in another. The Cat is a photon, while the grin is its circular polarization.

Bibliographic Details
Main Authors: Yakir Aharonov, Sandu Popescu, Daniel Rohrlich, Paul Skrzypczyk
Format: Article
Language:English
Published: IOP Publishing 2013-01-01
Series:New Journal of Physics
Online Access:https://doi.org/10.1088/1367-2630/15/11/113015
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author Yakir Aharonov
Sandu Popescu
Daniel Rohrlich
Paul Skrzypczyk
author_facet Yakir Aharonov
Sandu Popescu
Daniel Rohrlich
Paul Skrzypczyk
author_sort Yakir Aharonov
collection DOAJ
description In this paper we present a quantum Cheshire Cat. In a pre- and post-selected experiment we find the Cat in one place, and its grin in another. The Cat is a photon, while the grin is its circular polarization.
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spelling doaj.art-4a0ca03b29e348cebf42383ca6afbb2c2023-08-08T11:05:08ZengIOP PublishingNew Journal of Physics1367-26302013-01-01151111301510.1088/1367-2630/15/11/113015Quantum Cheshire CatsYakir Aharonov0Sandu Popescu1Daniel Rohrlich2Paul Skrzypczyk3Tel Aviv University , School of Physics and Astronomy, Tel Aviv 69978, Israel; Schmid College of Science, Chapman University , 1 University Drive, Orange, CA 92866, USAH. H. Wills Physics Laboratory, University of Bristol , Tyndall Avenue, Bristol, BS8 1TL, United KingdomPhysics Department, Ben Gurion University of the Negev , Beersheba, IsraelDepartment of Applied Mathematics and Theoretical Physics, University of Cambridge , Centre for Mathematical Sciences, Wilberforce Road, Cambridge CB3 0WA, United KingdomIn this paper we present a quantum Cheshire Cat. In a pre- and post-selected experiment we find the Cat in one place, and its grin in another. The Cat is a photon, while the grin is its circular polarization.https://doi.org/10.1088/1367-2630/15/11/113015
spellingShingle Yakir Aharonov
Sandu Popescu
Daniel Rohrlich
Paul Skrzypczyk
Quantum Cheshire Cats
New Journal of Physics
title Quantum Cheshire Cats
title_full Quantum Cheshire Cats
title_fullStr Quantum Cheshire Cats
title_full_unstemmed Quantum Cheshire Cats
title_short Quantum Cheshire Cats
title_sort quantum cheshire cats
url https://doi.org/10.1088/1367-2630/15/11/113015
work_keys_str_mv AT yakiraharonov quantumcheshirecats
AT sandupopescu quantumcheshirecats
AT danielrohrlich quantumcheshirecats
AT paulskrzypczyk quantumcheshirecats