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Crossover between strong and weak measurement in interacting many-body systems

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Crossover between strong and weak measurement in interacting many-body systems. / Esin, Iliya; Romito, Alessandro; Blanter, Ya M. et al.
In: New Journal of Physics, Vol. 18, No. 1, 013016, 08.01.2016.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Esin, I, Romito, A, Blanter, YM & Gefen, Y 2016, 'Crossover between strong and weak measurement in interacting many-body systems', New Journal of Physics, vol. 18, no. 1, 013016. https://doi.org/10.1088/1367-2630/18/1/013016

APA

Esin, I., Romito, A., Blanter, Y. M., & Gefen, Y. (2016). Crossover between strong and weak measurement in interacting many-body systems. New Journal of Physics, 18(1), Article 013016. https://doi.org/10.1088/1367-2630/18/1/013016

Vancouver

Esin I, Romito A, Blanter YM, Gefen Y. Crossover between strong and weak measurement in interacting many-body systems. New Journal of Physics. 2016 Jan 8;18(1):013016. doi: 10.1088/1367-2630/18/1/013016

Author

Esin, Iliya ; Romito, Alessandro ; Blanter, Ya M. et al. / Crossover between strong and weak measurement in interacting many-body systems. In: New Journal of Physics. 2016 ; Vol. 18, No. 1.

Bibtex

@article{60d4c8f0f95d4973a04b0609e81bd3df,
title = "Crossover between strong and weak measurement in interacting many-body systems",
abstract = "Measurements with variable system-detector interaction strength, ranging from weak to strong, have been recently reported in a number of electronic nanosystems. In several such instances many-body effects play a significant role. Here we consider the weak--to--strong crossover for a setup consisting of an electronic Mach-Zehnder interferometer, where a second interferometer is employed as a detector. In the context of a conditional which-path protocol, we define a generalized conditional value (GCV), and determine its full crossover between the regimes of weak and strong (projective) measurement. We find that the GCV has an oscillatory dependence on the system-detector interaction strength. These oscillations are a genuine many-body effect, and can be experimentally observed through the voltage dependence of cross current correlations.",
keywords = "cond-mat.mes-hall, cond-mat.str-el, Weak measurement, Strong measurement, Weak value, Mach–Zehnder interferometer",
author = "Iliya Esin and Alessandro Romito and Blanter, {Ya M.} and Yuval Gefen",
note = "5 pages, 3 figures, and appendices (9 pages, 3 figures, 2 tables)",
year = "2016",
month = jan,
day = "8",
doi = "10.1088/1367-2630/18/1/013016",
language = "English",
volume = "18",
journal = "New Journal of Physics",
issn = "1367-2630",
publisher = "IOP Publishing Ltd",
number = "1",

}

RIS

TY - JOUR

T1 - Crossover between strong and weak measurement in interacting many-body systems

AU - Esin, Iliya

AU - Romito, Alessandro

AU - Blanter, Ya M.

AU - Gefen, Yuval

N1 - 5 pages, 3 figures, and appendices (9 pages, 3 figures, 2 tables)

PY - 2016/1/8

Y1 - 2016/1/8

N2 - Measurements with variable system-detector interaction strength, ranging from weak to strong, have been recently reported in a number of electronic nanosystems. In several such instances many-body effects play a significant role. Here we consider the weak--to--strong crossover for a setup consisting of an electronic Mach-Zehnder interferometer, where a second interferometer is employed as a detector. In the context of a conditional which-path protocol, we define a generalized conditional value (GCV), and determine its full crossover between the regimes of weak and strong (projective) measurement. We find that the GCV has an oscillatory dependence on the system-detector interaction strength. These oscillations are a genuine many-body effect, and can be experimentally observed through the voltage dependence of cross current correlations.

AB - Measurements with variable system-detector interaction strength, ranging from weak to strong, have been recently reported in a number of electronic nanosystems. In several such instances many-body effects play a significant role. Here we consider the weak--to--strong crossover for a setup consisting of an electronic Mach-Zehnder interferometer, where a second interferometer is employed as a detector. In the context of a conditional which-path protocol, we define a generalized conditional value (GCV), and determine its full crossover between the regimes of weak and strong (projective) measurement. We find that the GCV has an oscillatory dependence on the system-detector interaction strength. These oscillations are a genuine many-body effect, and can be experimentally observed through the voltage dependence of cross current correlations.

KW - cond-mat.mes-hall

KW - cond-mat.str-el

KW - Weak measurement

KW - Strong measurement

KW - Weak value

KW - Mach–Zehnder interferometer

U2 - 10.1088/1367-2630/18/1/013016

DO - 10.1088/1367-2630/18/1/013016

M3 - Journal article

VL - 18

JO - New Journal of Physics

JF - New Journal of Physics

SN - 1367-2630

IS - 1

M1 - 013016

ER -