Many-body manifestation of interaction-free measurement:the Elitzur-Vaidman bomb

Zilberberg, Oded and Romito, Alessandro and Gefen, Yuval (2016) Many-body manifestation of interaction-free measurement:the Elitzur-Vaidman bomb. Physical review B, 93 (11). ISSN 2469-9950

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We consider an implementation of the Elitzur-Vaidman bomb experiment in a DC-biased electronic Mach-Zehnder interferometer with a leakage port on one of its arms playing the role of a "lousy bom". Many-body correlations tend to screen out manifestations of interaction-free measurement. Analyzing the correlations between the current at the interformeter's drains and at the leakage port, we identify the limit where the originally proposed single-particle effect is recovered. Specifically, we find that in the regime of sufficiently diluted injected electron beam and short measurement times, effects of quantum mechanical wave-particle duality emerge in the cross-current correlations.

Item Type: Journal Article
Journal or Publication Title: Physical review B
Additional Information: 6 pages, 2 figures, comments are welcome
Departments: Faculty of Science and Technology > Physics
ID Code: 85085
Deposited By: ep_importer_pure
Deposited On: 07 Mar 2017 11:02
Refereed?: Yes
Published?: Published
Last Modified: 14 Oct 2019 08:44

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