Physics – Condensed Matter – Materials Science
Scientific paper
2003-07-02
Phys. Rev. Lett. 91, 247404 (2003)
Physics
Condensed Matter
Materials Science
4 pages, RevTeX 4. Small changes, added references
Scientific paper
10.1103/PhysRevLett.91.247404
We report unambiguous experimental evidence of broken time reversal symmetry for the interaction of light with an artificial non-magnetic material. Polarized colour images of planar chiral gold-on-silicon nanostructures consisting of arrays of gammadions show intriguing and unusual symmetry: structures, which are geometrically mirror images, loose their mirror symmetry in polarized light. The symmetry of images can only be described in terms of anti-symmetry (black-and-white symmetry) appropriate to a time-odd process. The effect results from a transverse chiral non-local electromagnetic response of the structure and has some striking resemblance with the expected features of light scattering on anyon matter.
Bagnall D. M.
Krasavin A.
Potts Amanda
Schwanecke A. S.
Zayats Anatoly V.
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