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SUMMARY:Cloaked wave amplifiers via transformation optics - Lassas\, M (Un
 iversity of Helsinki)
DTSTART:20110802T090000Z
DTEND:20110802T094500Z
UID:TALK32203@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:The advent of transformation optics and metamaterials has made
  possible devices producing extreme effects on wave propagation. Here we g
 ive theoretical designs for devices\, Schrodinger hats\, acting as invisib
 le concentrators of waves. These exist for any wave phenomenon modeled by 
 either the Helmholtz or Schrodinger equations\, e.g.\, polarized waves in 
 electromagnetism\, pressure waves in acoustics and matter waves in quantum
  mechanics\, and occupy one part of a parameter space continuum of wave-ma
 nipulating structures which also contains standard transformation optics b
 ased cloaks\, resonant cloaks and cloaked sensors. For electromagnetic and
  acoustic Schrodinger hats\, the resulting centralized wave is a localized
  excitation. In quantum magnetism\, the result is a new charged quasiparti
 cle\, a quasmon\, which causes conditional probabilistic illusions. We dis
 cuss possible solid state implementations. \n
LOCATION:Seminar Room 1\, Newton Institute
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