Electromagnetic force and torque in Lorentz and Einstein-Laub formulations

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

The Lorentz force law of classical electrodynamics requires the introduction of hidden energy and hidden momentum in situations where an electric field acts on a magnetic material. In contrast, the Einstein-Laub formulation does not invoke hidden entities. The total force and torque exerted by electromagnetic fields on a given object are independent of whether the force and torque densities are evaluated using the law of Lorentz or that of Einstein and Laub. Hidden entities aside, the two formulations differ only in their predicted force and torque distributions throughout material media.

Original languageEnglish (US)
Title of host publicationOptical Trapping and Optical Micromanipulation XI
EditorsGabriel C. Spalding, Kishan Dholakia
PublisherSPIE
ISBN (Electronic)9781628411911
DOIs
StatePublished - Jan 1 2014
EventOptical Trapping and Optical Micromanipulation XI - San Diego, United States
Duration: Aug 17 2014Aug 21 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9164
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherOptical Trapping and Optical Micromanipulation XI
CountryUnited States
CitySan Diego
Period8/17/148/21/14

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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  • Cite this

    Mansuripur, M. (2014). Electromagnetic force and torque in Lorentz and Einstein-Laub formulations. In G. C. Spalding, & K. Dholakia (Eds.), Optical Trapping and Optical Micromanipulation XI [91640B] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9164). SPIE. https://doi.org/10.1117/12.2060554