Fair sampling perspective on an apparent violation of duality

Eliot Bolduc; Jonathan Leach; Filippo M. MiattoGerd LeuchsRobert W. Boyd

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Fair sampling perspective on an apparent violation of duality

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In the event in which a quantum mechanical particle can pass from an initial state to a final state along two possible paths, the duality principle states that “the simultaneous observation of wave and particle behavior is prohibited” Scully MO, Englert B-G, Walther H (1991) Nature 351:111–116. Whereas wave behavior is associated with the observation of interference fringes, particle behavior generally corresponds to the acquisition of which-path information by means of coupling the paths to a measuring device or part of their environment. In this paper, we show how the consequences of duality change when allowing for biased sampling, that is, postselected measurements on specific degrees of freedom of the environment of the two-path state. Our work gives insight into a possible mechanism for obtaining simultaneous high which-path information and high-visibility fringes in a single experiment. Further, our results introduce previously unidentified avenues for experimental tests of duality.

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《Proceedings of the National Academy of Sciences of the United States of America》 |2014年第34期|12337-12341|共5页
作者
Eliot Bolduc; Jonathan Leach; Filippo M. MiattoGerd LeuchsRobert W. Boyd;
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作者单位

Department of Physics, University of Ottawa, Ottawa, ON, Canada K1N 6N5;

School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom;

Institute of Optics, University of Rochester, Rochester, NY 14627;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
wave-particle complementarity; double-slit experiment; decoherence;

Fair sampling perspective on an apparent violation of duality

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