[Phys-seminars] 2017-06-20 Physics Colloquium

ymeir ymeir at bgu.ac.il
Thu Jun 15 12:56:59 IDT 2017


Physics Colloquium

 DATE: 20-06-17

 TIME: 15:00

 PLACE: Nanotechnology institute building (#51) room 15

TITLE: 
Nature\'s optics and our understanding of light

SPEAKER: 
Michael Berry, University of Bristol, UK

ABSTRACT/COMMENTS: 
Optical phenomena visible to everyone have been central to the development of, and abundantly illustrate, important concepts in science and mathematics. The phenomena considered include rainbows, sparkling reflections on water, mirages, green flashes, earthlight on the moon, glories, daylight, crystals, and the squint moon. The concepts include refraction, caustics (focal singularities of ray optics), wave interference, numerical experiments, mathematical asymptotics, dispersion, complex angular momentum (Regge poles), polarization singularities, Hamilton\'s conical intersections of eigenvalues (misnamed \"Dirac points\"), geometric phases, and visual illusions
Refreshments are served at 14:45.


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