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TZID:Europe/Paris
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UID:0-1014@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20250311T110000
DTEND;TZID=Europe/Paris:20250311T120000
DTSTAMP:20250227T101612Z
URL:https://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lpt
 ms-david-gaspard-institut-langevin-espci-paris/
SUMMARY:Séminaire du LPTMS : David Gaspard (Institut Langevin\, ESPCI\, Pa
 ris) - Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°530
  - 11 Mar 25 11:00
DESCRIPTION:Anisotropic Field Theory of Wave Transmission Statistics in Dis
 ordered Media\n&nbsp\;\nDavid Gaspard (Institut Langevin\, ESPCI Paris)\n&
 nbsp\;\n\nRecent advances in wavefront shaping have revolutionized experim
 ental studies in mesoscopic physics\, providing new levels of control over
  coherent wave transport in scattering media\, particularly in optical sys
 tems. These experimental breakthroughs are founded on the substantial theo
 retical developments in quantum transport from the 1980s and 1990s\, espec
 ially those focused on disordered wires. A cornerstone of this body of wor
 k is the Dorokhov-Mello-Pereira-Kumar (DMPK) theory\, which characterizes 
 the statistical properties of the transmission matrix of disordered media.
  However\, while powerful\, the DMPK theory cannot account for various exp
 erimentally relevant conditions\, including quasiballistic transport\, abs
 orption\, or partial control over the transmission matrix. Our work presen
 ts the first ab initio theory for the statistical properties of the transm
 ission matrix that successfully addresses all of these conditions within a
  unified framework. This achievement fills a critical gap\, providing expe
 rimentally useful predictions where current models fall short. A central r
 esult of this work is the derivation of a new nonlinear transport equation
  that captures the statistical properties of wavefront shaping performance
 .
CATEGORIES:seminars
LOCATION:Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°53
 0\, rue André Riviere\, Orsay\, 91405\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=rue André Riviere\, Orsay\
 , 91405\, France;X-APPLE-RADIUS=100;X-TITLE=Salle des séminaires du FAST 
 et du LPTMS\, bâtiment Pascal n°530:geo:0,0
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TZID:Europe/Paris
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DTSTART:20241027T020000
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