The role of small-angle electron-electron scattering in transverse magnetic focusing experiment

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The role of small-angle electron-electron scattering in transverse magnetic focusing experiment. / Egorov, Dmitry A.; Pokhabov, Dmitriy A.; Zhdanov, Evgeny Yu и др.

в: Journal of Applied Physics, Том 138, № 11, 115701, 21.09.2025.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{9f91386516a04a1b914817acc3765734,

title = "The role of small-angle electron-electron scattering in transverse magnetic focusing experiment",

abstract = "We demonstrate the crucial role of small-angle scattering in transverse magnetic focusing (TMF) in ballistic GaAs/AlGaAs heterostructures. Measurements in various samples show that the role significantly depends on their geometry. We propose a phenomenological model parameterizing this dependence with the angular acceptance of the detecting contact. This model is consistent with the diversity of experimental data and, therefore, enables accurate extraction of the key characteristic of inter-electron (e-e) interaction—the e-e scattering length—from TMF experiment, thus turning it into a uniquely effective tool for studying e-e scattering.",

author = "Egorov, {Dmitry A.} and Pokhabov, {Dmitriy A.} and Zhdanov, {Evgeny Yu} and Shevyrin, {Andrey A.} and Bakarov, {Askhat K.} and Shklyaev, {Alexander A.} and Pogosov, {Arthur G.}",

note = "The work is supported by the Russian Science Foundation (Grant No. 22-12-00343-Π—experimental study) and the Ministry of Science and Higher Education of the Russian Federation (Project No. FWGW-2025-0023—initial heterostructures characterization).",

year = "2025",

month = sep,

day = "21",

doi = "10.1063/5.0289677",

language = "English",

volume = "138",

journal = "Journal of Applied Physics",

issn = "0021-8979",

publisher = "American Institute of Physics Inc.",

number = "11",

}

RIS

TY - JOUR

T1 - The role of small-angle electron-electron scattering in transverse magnetic focusing experiment

AU - Egorov, Dmitry A.

AU - Pokhabov, Dmitriy A.

AU - Zhdanov, Evgeny Yu

AU - Shevyrin, Andrey A.

AU - Bakarov, Askhat K.

AU - Shklyaev, Alexander A.

AU - Pogosov, Arthur G.

N1 - The work is supported by the Russian Science Foundation (Grant No. 22-12-00343-Π—experimental study) and the Ministry of Science and Higher Education of the Russian Federation (Project No. FWGW-2025-0023—initial heterostructures characterization).

PY - 2025/9/21

Y1 - 2025/9/21

N2 - We demonstrate the crucial role of small-angle scattering in transverse magnetic focusing (TMF) in ballistic GaAs/AlGaAs heterostructures. Measurements in various samples show that the role significantly depends on their geometry. We propose a phenomenological model parameterizing this dependence with the angular acceptance of the detecting contact. This model is consistent with the diversity of experimental data and, therefore, enables accurate extraction of the key characteristic of inter-electron (e-e) interaction—the e-e scattering length—from TMF experiment, thus turning it into a uniquely effective tool for studying e-e scattering.

AB - We demonstrate the crucial role of small-angle scattering in transverse magnetic focusing (TMF) in ballistic GaAs/AlGaAs heterostructures. Measurements in various samples show that the role significantly depends on their geometry. We propose a phenomenological model parameterizing this dependence with the angular acceptance of the detecting contact. This model is consistent with the diversity of experimental data and, therefore, enables accurate extraction of the key characteristic of inter-electron (e-e) interaction—the e-e scattering length—from TMF experiment, thus turning it into a uniquely effective tool for studying e-e scattering.

UR - https://www.scopus.com/pages/publications/105016007751

UR - https://www.mendeley.com/catalogue/e90b0ec4-5a03-3f2b-92a6-fb5f57526d5b/

U2 - 10.1063/5.0289677

DO - 10.1063/5.0289677

M3 - Article

VL - 138

JO - Journal of Applied Physics

JF - Journal of Applied Physics

SN - 0021-8979

IS - 11

M1 - 115701

ER -

ID: 69750474