Status  Confirmed 
Seminar Series  SEMLPTHE 
Subjects  condmat.statmech,hepth,math,mathph 
Date  Friday 13 September 2019 
Time  11:00 
Institute  LPTHE 
Seminar Room  Bibliothèque 
Speaker's Last Name  Lacroix 
Speaker's First Name  Sylvain 
Speaker's Email Address  
Speaker's Institution  DESY Hambourg 
Title  Integrable coupled sigmamodels from affine Gaudin models 
Abstract  In this seminar, I will discuss integrable systems called affine Gaudin models and their application to the study of integrable sigma models. As an introductory example, I will first discuss a simpler class of Gaudin models, the finite ones, and their relation with integrable spin chains and mechanical systems. I will then explain how to use affine Gaudin models to construct new integrable classical sigma models, by coupling together an arbitrary number of principal chiral models with WessZumino terms. 
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