Experimental demonstration of separating the wave‒particle duality of a single photon with the quantum Cheshire cat.

ABSTRACT: As a fundamental characteristic of physical entities, wave‒particle duality describes whether a microscopic entity exhibits wave or particle attributes depending on the specific experimental setup. This assumption is premised on the notion that physical properties are inseparable from the objective carrier. However, after the concept of the quantum Cheshire cats was proposed, which makes the separation of physical attributes from the entity possible, the premise no longer holds. Furthermore, an experimental demonstration of the separation of the wave and particle attributes inspired by this scenario remains scarce. In this work, we experimentally separated the wave and particle attributes of a single photon by exploiting the quantum Cheshire cat concept for the first time. By applying a we

SUBMITTER: Li JK 

PROVIDER: S-EPMC9813135 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature