First paper I read to get started on my dissertation on weak measurements and values. Was overwhelmed by the 28 citations before the end of the first page. But after having read many more papers, one gets used to it. ฦช(หโฃห)สย
This 2014 paper by Denmmayr et. al., titled "Observation of a quantum Cheshire Cat in a matter-wave interferometer experiment" is an attempted experimental realization of the theoretical proposal of "Quantum Cheshire Cats" by Aharonov et. al. in 2013, in which it was claimed that a particle and its property can be spatially separated...ย
Akin to the separation of the Cheshire cat's grin from its body in Alice in Wonderland, this paper reported results which indicate that a neutron (the cat) travelled through one beam path while its magnetic moment (the catโs grin) travelled along another in an interferometer.ย
To date, there is still much debate on the interpretation of this phenomenon.ย
You might like to check out Numberphileโsย video on this.
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