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Many-body manifestation of interaction-free measurement : the Elitzur-Vaidman bomb. / Zilberberg, Oded; Romito, Alessandro; Gefen, Yuval.
In: Physical review B, Vol. 93, No. 11, 115411, 15.03.2016.Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Many-body manifestation of interaction-free measurement
T2 - the Elitzur-Vaidman bomb
AU - Zilberberg, Oded
AU - Romito, Alessandro
AU - Gefen, Yuval
N1 - 6 pages, 2 figures, comments are welcome
PY - 2016/3/15
Y1 - 2016/3/15
N2 - 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.
AB - 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.
KW - cond-mat.mes-hall
KW - quant-ph
U2 - 10.1103/PhysRevB.93.115411
DO - 10.1103/PhysRevB.93.115411
M3 - Journal article
VL - 93
JO - Physical Review B: Condensed Matter and Materials Physics
JF - Physical Review B: Condensed Matter and Materials Physics
SN - 1098-0121
IS - 11
M1 - 115411
ER -