Observation of microsphere movement driven by optical pulse: comment

Požar, Tomaž; Možina, Janez

doi:10.1364/ol.37.000902

Cited by 3 publications

(1 citation statement)

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“…Now, the explanation given in [43] focused on the radiation pressure as the sole factor responsible for the displacement. As was later pointed out by Pozar and Mozina [45], the radiation pressure in the experiment was far to small to account for the observed large velocity. Instead, they argued that another factor was important in this experiment, namely the mass recoil following a dielectric breakdown near or on the sphere of the microsphere.…”

Section: Two Proposals For Experimentsmentioning

confidence: 60%

What Do Experiments in Optics tell us about Photon Momentum in Media?

Brevik¹

2013

Preprint

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In order to get some insight in the intricacies of the Abraham-Minkowski energymomentum problem in phenomenological electrodynamics, we briefly analyze eight different experimental situations in radiation optics. Six of the experiments are already existing, while the remaining two are suggestions for future endeavors. Among the first six, we distinguish between three which are incapable of informing about photon momentum in a medium, and the remaining three which are able to give us useful information. Our general conclusion is that the Abraham-Minkowski "problem" is essentially a matter of convenience. In actual physical situations it is the Minkowski expression which is most natural alternative to employ. Also, in a canonical context, it is the Minkowski energy-momentum tensor which is the most convenient alternative to work with, as this tensor is divergence-free causing the total radiation momentum and energy to make up a four-vector, although notably a spacelike one.

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Section: Two Proposals For Experimentsmentioning

confidence: 60%