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TZID:Europe/Paris
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BEGIN:VEVENT
UID:1-397@lptms.universite-paris-saclay.fr
DTSTART:20160329T110000Z
DTEND:20160329T120000Z
DTSTAMP:20160314T085326Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-thimothee-thiery/
SUMMARY:Séminaire du LPTMS: Thimothée Thiery - LPTMS\, salle 201\, 2ème 
 étage\, Bât 100\, Campus d'Orsay - 29 Mar 16 11:00
DESCRIPTION:Integrable models of directed polymers on the square lattice\nT
 himothée Thiery (LPT ENS Paris)\n&nbsp\;\n\nMotivated by the aim of gaini
 ng a better understanding of the KPZ universality class in 1+1 dimension (
 KPZUC)\, there has recently been a strong research activity focused on fin
 ding exact solutions of models in the KPZUC. Indeed\, interesting properti
 es such as the emergence of Tracy-Widom (TW) type fluctuations in such mod
 els have up to now only been understood in integrable models. In this talk
  I will focus on one class of models believed to be in the KPZUC\, namely 
 directed polymers (DP) on the square lattice\, and on one technique used t
 o find exact solutions: the coordinate Bethe Ansatz (CBA). After an introd
 uction to the links between KPZ and DP\, I will show how one can identify 
 the underlying algebraic structure present in any CBA solvable model of DP
 \, therefore allowing to classify all such models. This classification con
 tains all previously known exactly solvable models of DP on the square lat
 tice as well as a new one\, the Inverse-Beta polymer. Finally\, I will ske
 tch how CBA solvability permits to show the KPZUC (critical exponents and 
 TW fluctuations) of the Inverse-Beta polymer.
CATEGORIES:seminars
LOCATION:LPTMS\, salle 201\, 2ème étage\, Bât 100\, Campus d'Orsay\, 15 
 Rue Georges Clemenceau\, Orsay\, 91405\, France
GEO:48.698185;2.181768
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=15 Rue Georges Clemenceau\,
  Orsay\, 91405\, France;X-APPLE-RADIUS=100;X-TITLE=LPTMS\, salle 201\, 2è
 me étage\, Bât 100\, Campus d'Orsay:geo:48.698185,2.181768
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