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- Wheeler's_delayed_choice_experiment abstract "Wheeler's delayed choice experiment is actually several thought experiments in quantum physics, proposed by John Archibald Wheeler, with the most prominent among them appearing in 1978 and 1984. These experiments are attempts to decide whether light somehow "senses" the experimental apparatus in the double-slit experiment it will travel through and adjusts its behavior to fit by assuming the appropriate determinate state for it, or whether light remains in an indeterminate state, neither wave nor particle, and responds to the "questions" asked of it by responding in either a wave-consistent manner or a particle-consistent manner depending on the experimental arrangements that ask these "questions."The common intention of these several types of experiments is to first do something that some interpretations of theory say would make each photon "decide" whether it was going to behave as a particle or behave as a wave, and then, before the photon had time to reach the detection device, create another change in the system that would make it seem that the photon had "chosen" to behave in the opposite way. Some interpreters of these experiments contend that a photon either is a wave or is a particle, and that it cannot be both at the same time. Wheeler's intent was to investigate the time-related conditions under which a photon makes this transition between alleged states of being. His work has been productive of many revealing experiments. He may not have anticipated the possibility that other researchers would tend toward the conclusion that a photon retains both its "wave nature" and "particle nature" until the time it ends its life, e.g., by being absorbed by an electron which acquires its energy and therefore rises to a higher orbit in its atom. However, he himself seems to be very clear on this point. He says: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."This line of experimentation proved very difficult to carry out when it was first conceived. Nevertheless, it has proven very valuable over the years since it has led researchers to provide "increasingly sophisticated demonstrations of the wave–particle duality of single quanta." As one experimenter explains, "Wave and particle behavior can coexist simultaneously."".
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- Wheeler's_delayed_choice_experiment subject Category:Thought_experiments_in_quantum_mechanics.
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- Wheeler's_delayed_choice_experiment type Experiment100639556.
- Wheeler's_delayed_choice_experiment type Investigation100633864.
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- Wheeler's_delayed_choice_experiment comment "Wheeler's delayed choice experiment is actually several thought experiments in quantum physics, proposed by John Archibald Wheeler, with the most prominent among them appearing in 1978 and 1984.".
- Wheeler's_delayed_choice_experiment label "Wheeler's delayed choice experiment".
- Wheeler's_delayed_choice_experiment label "惠勒延迟选择实验".
- Wheeler's_delayed_choice_experiment sameAs Percobaan_pilihan_tertunda_Wheeler.
- Wheeler's_delayed_choice_experiment sameAs Esperimento_di_scelta_ritardata_di_Wheeler.
- Wheeler's_delayed_choice_experiment sameAs m.09fgrw.
- Wheeler's_delayed_choice_experiment sameAs Q7992174.
- Wheeler's_delayed_choice_experiment sameAs Q7992174.
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