Time-averaged total force on a dipolar sphere in an electromagnetic field.

Optics letters · 2000 · Unclear · Insufficient evidence

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UnclearInsufficient evidencePaper 3929

The paper derives the time-averaged total force on a subwavelength-sized particle in a time-harmonic field without restricting the spatial dependence of the incident field. It discusses adding a radiative reaction term to the polarizability to correctly treat…

Study snapshot

PublicationOptics letters · 2000
Study typeengineering
Reported directionUnclear
Evidence ratingInsufficient

Abstract

We establish the time-averaged total force on a subwavelength-sized particle in a time-harmonic-varying field. Our analysis is not restricted to the spatial dependence of the incident field. We discuss the addition of the radiative reaction term to the polarizability to deal correctly with the scattering force. As an illustration, we assess the degree of accuracy of several previously established polarizability models.

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typeengineering
Effect directionunclear
PopulationNot supplied
Sample sizeNot supplied
ExposureNot supplied
Evidence strengthInsufficientConfidence: 74% · Peer reviewed: yes

Main findings

The paper derives the time-averaged total force on a subwavelength-sized particle in a time-harmonic field without restricting the spatial dependence of the incident field. It discusses adding a radiative reaction term to the polarizability to correctly treat the scattering force and evaluates the accuracy of several existing polarizability models.

Outcomes measured

  • time-averaged total force on a subwavelength particle in a time-harmonic electromagnetic field
  • treatment of radiative reaction term in polarizability for scattering force
  • accuracy assessment of polarizability models
View raw extracted JSON
{
  "study_type": "engineering",
  "exposure": {
    "band": null,
    "source": null,
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "time-averaged total force on a subwavelength particle in a time-harmonic electromagnetic field",
    "treatment of radiative reaction term in polarizability for scattering force",
    "accuracy assessment of polarizability models"
  ],
  "main_findings": "The paper derives the time-averaged total force on a subwavelength-sized particle in a time-harmonic field without restricting the spatial dependence of the incident field. It discusses adding a radiative reaction term to the polarizability to correctly treat the scattering force and evaluates the accuracy of several existing polarizability models.",
  "effect_direction": "unclear",
  "limitations": [],
  "evidence_strength": "insufficient",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "time-averaged force",
    "dipolar sphere",
    "subwavelength particle",
    "time-harmonic field",
    "radiative reaction",
    "polarizability",
    "scattering force"
  ],
  "suggested_hubs": []
}
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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1364/ol.25.001065
PubMed: 18064272

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