# Retardation effects on plasma waves in graphene, topological insulators, and quantum wires

https://mdr.nims.go.jp/datasets/79e26eb6-842a-40c9-a651-4bd75c89115d

## File

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## Id

79e26eb6-842a-40c9-a651-4bd75c89115d

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2026-11-11T05:43:18.517024Z

## Updated at

2026-11-11T06:23:38.884021Z

## Published at

2026-11-11T07:25:06.067337Z

## Doi

https://doi.org/10.48505/nims.8726

## First published url

https://doi.org/10.1103/physrevb.92.045434

## Date published

2015-07-28

## Recorded date published

2015-7

## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: Retardation effects on plasma waves in graphene, topological insulators,
    and quantum wires
  title_type: original
  lang: en

## Description

- description: Retardation effects (REs) are known to cause a crossover from linear
    to sublinear behaviors in the dispersion relation of two-dimensional (2D) plasma
    waves at long wavelengths. In the present work, we systematically analyze REs
    on plasma waves in both 2D and 1D electron gases, and we clarify the experimental
    conditions for observing the crossover. We show that graphene is the only material
    that might gratify the conditions with current technology. Although it closely
    imitates graphene, the surface of 3D topological insulators is found to be unsuitable
    for this purpose due to strong electronic scattering by intrinsic disorder. We
    also show that the crossover, though theoretically possible, virtually never occurs
    in 1D plasma. In addition, the relevance of our results to terahertz plasmonics
    is discussed.
  description_type: abstract
  lang: und

## Creator

- name: Hai-Yao Deng
  role: author
- name: Katsunori Wakabayashi
  role: author
  orcid: https://orcid.org/0000-0002-9147-9939

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## Publisher

organization: American Physical Society (APS)

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## Keyword

- subject: plasma waves
  schema: not_defined
- subject: retardation effects
  schema: not_defined
- subject: graphene
  schema: not_defined
- subject: topological insulators
  schema: not_defined
- subject: quantum wires
  schema: not_defined
- subject: dispersion relation
  schema: not_defined
- subject: terahertz plamonics
  schema: not_defined

## Rights

- description: "©2026 American Physical Society"
  identifier: http://rightsstatements.org/vocab/InC/1.0/

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## Journal

- title: Physical Review B
  issn: '10980121'
  volume: '92'
  issue: '4'
  article_number: '045434'

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## Funding

- identifier: 15K13507
  funder_name: Japan Society for the Promotion of Science
- identifier: '25107005'
  funder_name: Ministry of Education, Culture, Sports, Science, and Technology

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## Fileset

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  filename: ms.pdf
  content_type: application/pdf
  size: 565277
  md5: 32faa4e1a3a377674d0e93264e74400f

## Thumbnail

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filename: ms.pdf