The Effect of Path Observation on Quantum Interference Pattern
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概要
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A Gedankenexperiment is presented on the effect of imperfect detection of the electron path on the double slit interference pattern. Incorporating into our quantum system the detectors for the electron path and the observer who recognizes the response of the detectors, one can decompose the ensemble of electrons with their spots on the film into three subensembles according as the upper, lower or neither detector responds. Only the third ensemble shows the interference pattern. Negative result measurement is included as a special case. This Gedankenexperiment allows one to put the argument of Bohr's complementarity of the wave/particle duality on a quantitative basis. The realization of the experiment is well within the high technology of the present day.
- 社団法人日本物理学会の論文
- 1993-10-15
著者
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Toyozawa Yutaka
Department Of Applied Physics Tokyo University
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Koide Koshi
Department of Physics, Chuo University
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Koide Koshi
Department Of Physics Chuo University
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Toyozawa Yutaka
Department of Physics, Chuo University
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