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关于「延迟实验」的更多信息,见维基百科:
http://en.wikipedia.org/wiki/Whe ... d_choice_experiment
设计此实验的物理学家 John Archibald Wheeler 如是说:
The thing that causes people to argue about when and how the photon learns that the experimental apparatus is in a certain configuration and then changes from wave to particle to fit the demands of the experiment's configuration is the assumption that a photon had some physical form before the astronomers observed it. Either it was a wave or a particle; either it went both ways around the galaxy or only one way. Actually, quantum phenomena are neither waves nor particles but are intrinsically undefined until the moment they are measured. In a sense, the British philosopher Bishop Berkeley was right when he asserted two centuries ago ‘to be is to be perceived’ |
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