Physics – Condensed Matter
Scientific paper
2002-03-27
Physics
Condensed Matter
18 pages, 6 figures, RevTeX. Submitted to PRE
Scientific paper
10.1103/PhysRevE.66.016607
We have investigated multiple scattering of light in systems subject to magneto-chiral (MC) effects. Our medium consists of magneto-optically active dipoles placed in a chiral geometry under the influence of an external magnetic field. We have calculated, for the first time, the total and the differential scattering MC cross sections of this system, explicitely showing that they are proportional to pseudoscalar quantities. This provides a new optical measure for the degree of chirality, a pseudoscalar g, of an arbitrary geometrical configuration of scatterers based on its scattering properties. We have calculated g for some simple chiral systems and we have even used it to probe the degree of optical chirality of random systems. Finally, we have compared $g$ with other recently defined chiral measures in literature.
Pinheiro F. A.
van Tiggelen Bart A.
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