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Proceedings Paper

Quantum mechanics compatible Maxwell's stress tensor (presentation video)
Author(s): Michael Mazilu
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Paper Abstract

There are many ways to calculate the optical forces acting on scattering particles such as Maxwell’s stress tensor, Lorentz forces, gradient and scattering forces, Lorenz-Mie formalism, T-matrix. All these approaches use the electromagnetic field and define the amount of linear momentum transferred to the scattering particles. The resulting momentum transferred is proportional to the intensity of the incident fields, however, the single photon momentum (hbar k) does not naturally appear in these classical expressions. In this paper, we discuss an alternative Maxwell’s stress tensor based formalism that renders the classical electromagnetic field momentum compatible to the quantum mechanical one.

Paper Details

Date Published: 13 November 2014
PDF: 1 pages
Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 916408 (13 November 2014); doi: 10.1117/12.2063942
Show Author Affiliations
Michael Mazilu, Univ. of St. Andrews (United Kingdom)


Published in SPIE Proceedings Vol. 9164:
Optical Trapping and Optical Micromanipulation XI
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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