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Tunneling current noise in the fractional quantum Hall effect: when the effective charge is not what it appears to be

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Tunneling current noise in the fractional quantum Hall effect: when the effective charge is not what it appears to be . / Snizhko, Kyrylo.
In: Low Temperature Physics, Vol. 42, No. 1, 60, 01.2016.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Snizhko K. Tunneling current noise in the fractional quantum Hall effect: when the effective charge is not what it appears to be . Low Temperature Physics. 2016 Jan;42(1):60. doi: 10.1063/1.4939156

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Bibtex

@article{f6cc8f6e0dd64462a841326df1729f05,
title = "Tunneling current noise in the fractional quantum Hall effect: when the effective charge is not what it appears to be ",
abstract = "Fractional quantum Hall quasiparticles are famous for having fractional electric charge. Recent experiments report that the quasiparticle's effective electric charge determined through tunnelingcurrent noise measurements can depend on the system parameters such as temperature or bias voltage. Several works proposed to understand this as a signature for edge theory properties changing with energy scale. I consider two of such experiments and show that in one of them the apparent dependence of the electric charge on a system parameter is likely to be an artefact of experimental data analysis. Conversely, in the second experiment the dependence cannot be explained in such a way.",
author = "Kyrylo Snizhko",
year = "2016",
month = jan,
doi = "10.1063/1.4939156",
language = "English",
volume = "42",
journal = "Low Temperature Physics",
issn = "1063-777X",
publisher = "AMER INST PHYSICS",
number = "1",

}

RIS

TY - JOUR

T1 - Tunneling current noise in the fractional quantum Hall effect

T2 - when the effective charge is not what it appears to be

AU - Snizhko, Kyrylo

PY - 2016/1

Y1 - 2016/1

N2 - Fractional quantum Hall quasiparticles are famous for having fractional electric charge. Recent experiments report that the quasiparticle's effective electric charge determined through tunnelingcurrent noise measurements can depend on the system parameters such as temperature or bias voltage. Several works proposed to understand this as a signature for edge theory properties changing with energy scale. I consider two of such experiments and show that in one of them the apparent dependence of the electric charge on a system parameter is likely to be an artefact of experimental data analysis. Conversely, in the second experiment the dependence cannot be explained in such a way.

AB - Fractional quantum Hall quasiparticles are famous for having fractional electric charge. Recent experiments report that the quasiparticle's effective electric charge determined through tunnelingcurrent noise measurements can depend on the system parameters such as temperature or bias voltage. Several works proposed to understand this as a signature for edge theory properties changing with energy scale. I consider two of such experiments and show that in one of them the apparent dependence of the electric charge on a system parameter is likely to be an artefact of experimental data analysis. Conversely, in the second experiment the dependence cannot be explained in such a way.

U2 - 10.1063/1.4939156

DO - 10.1063/1.4939156

M3 - Journal article

VL - 42

JO - Low Temperature Physics

JF - Low Temperature Physics

SN - 1063-777X

IS - 1

M1 - 60

ER -