Publication Date:
2016-03-05
Description:
Author(s): Xiao-song Ma, Johannes Kofler, and Anton Zeilinger Wave-particle duality lies at the root of quantum mechanics and is central in the description of interferences observed with elementary objects. In a delayed-choice experiment, the decision to observe the particle or wave character of a quantum system is delayed with respect to the time at which the system enters the interferometer. This paper reviews the history of the delayed-choice idea, introduced as a challenge to a realistic explanation of the wave-particle duality. It also describes recent experimental realizations of this idea and discusses intriguing extensions, such as the duality between separability and entanglement in multiple quantum systems. [Rev. Mod. Phys. 88, 015005] Published Thu Mar 03, 2016
Keywords:
Atomic, molecular, and optical physics
Print ISSN:
0034-6861
Electronic ISSN:
1539-0756
Topics:
Physics
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