# Long distance electron-electron scattering detected with point contacts

https://mdr.nims.go.jp/datasets/0200fa91-6158-4534-ae27-a91cd24855eb

## File

- [PhysRevResearch.5.043088.pdf](https://mdr.nims.go.jp/filesets/fbcef85a-599c-4364-a1e0-28f6802f9a5f/download) ([Detail](https://mdr.nims.go.jp/filesets/fbcef85a-599c-4364-a1e0-28f6802f9a5f.md))

## Id

0200fa91-6158-4534-ae27-a91cd24855eb

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2025-02-18T04:09:56.256046Z

## Updated at

2025-02-23T13:47:26.359369Z

## Published at

2025-02-23T13:47:26.439534Z

## Doi



## First published url

https://doi.org/10.1103/physrevresearch.5.043088

## Date published

2023-10-26

## Recorded date published

2023-10

## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Long distance electron-electron scattering detected with point contacts
  title_type: original
  lang: en

## Description

- description: 'We measure electron transport through point contacts in an electron
    gas in GaAs heterostructures and graphene for a range of temperatures, magnetic
    fields and electron densities. We find a magne- toconductance peak around B =
    0. With increasing temperature, the width of the peak increases monotonically,
    while its amplitude first increases and then decreases. For GaAs point contacts
    the peak is particularly sharp at relatively low temperatures T ∼ 1.5K: the curve
    rounds on a scale of few tens of μT hinting at length scales of several millimeters
    for the corresponding scattering processes. We propose a model based on the transition
    between different transport regimes with in- creasing temperature: from ballistic
    transport to few electron-electron scatterings to hydrodynamic superballistic
    flow to hydrodynamic Poiseuille-like flow. The model is in qualitative and, in
    many cases, quantitative agreement with the experimental observations.'
  description_type: abstract
  lang: und

## Creator

- name: Lev V. Ginzburg
  role: author
- name: Yuze Wu
  role: author
- name: Marc P. Röösli
  role: author
- name: Pedro Rosso Gomez
  role: author
- name: Rebekka Garreis
  role: author
- name: Chuyao Tong
  role: author
- name: Veronika Stará
  role: author
- name: Carolin Gold
  role: author
- name: Khachatur Nazaryan
  role: author
- name: Serhii Kryhin
  role: author
- name: Hiske Overweg
  role: author
- name: Christian Reichl
  role: author
- name: Matthias Berl
  role: author
- name: Takashi Taniguchi
  role: author
  orcid: https://orcid.org/0000-0002-1467-3105
  organization: National Institute for Materials Science
- name: Kenji Watanabe
  role: author
  orcid: https://orcid.org/0000-0003-3701-8119
  organization: National Institute for Materials Science
- name: Werner Wegscheider
  role: author
- name: Thomas Ihn
  role: author
- name: Klaus Ensslin
  role: author

## Contact agent



## Publisher

organization: American Physical Society (APS)

## Managing organization



## Keyword

- subject: Electron transport
  schema: not_defined
- subject: point contacts
  schema: not_defined
- subject: magnetoconductance
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

## Other identifier(s)



## Data origin



## Embargo



## Journal

- title: Physical Review Research
  issn: '26431564'
  volume: '5'
  issue: '4'
  article_number: '043088'

## Conference



## Related item



## Funding

- identifier: '951541'
  funder_name: H2020 European Research Council
- identifier: '766025'
  funder_name: HORIZON EUROPE Marie Sklodowska-Curie Actions
- funder_name: Eidgenössische Technische Hochschule Zürich
- funder_name: Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen
    Forschung
- funder_name: National Center of Competence in Research Quantum Science and Technology
- identifier: 19H05790
  funder_name: Japan Society for the Promotion of Science
- identifier: 20H00354
  funder_name: Japan Society for the Promotion of Science

## Instrument



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## Measurement method



## Specimen



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## Fileset

- id: fbcef85a-599c-4364-a1e0-28f6802f9a5f
  filename: PhysRevResearch.5.043088.pdf
  content_type: application/pdf
  size: 3697355
  md5: 5c4bd0c1e83abcfd9e9975b47592e7cd

## Thumbnail

fileset_id: fbcef85a-599c-4364-a1e0-28f6802f9a5f
filename: PhysRevResearch.5.043088.pdf