Universality of local weak interactions and its application for interferometric alignment
2019 ◽
Vol 116
(8)
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pp. 2881-2890
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The modification of the effect of interactions of a particle as a function of its preselected and postselected states is analyzed theoretically and experimentally. The universality property of this modification in the case of local interactions of a spatially preselected and postselected particle has been found. It allowed us to define an operational approach for the characterization of the presence of a quantum particle in a particular place: the way it modifies the effect of local interactions. The experiment demonstrating this universality property provides an efficient interferometric alignment method, in which the position of the beam on a single detector throughout one phase scan yields all misalignment parameters.
1982 ◽
Vol 43
(C8)
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pp. C8-261-C8-300
2018 ◽
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2021 ◽
Vol 118
(12)
◽
pp. e2021244118
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2021 ◽
Vol 19
(2)
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pp. 152
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