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advanced_notions:chern-simons [2017/11/20 14:48]
jakobadmin [Student]
advanced_notions:chern-simons [2017/11/22 10:46]
jakobadmin [Student]
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-For a great summary see section 2 in [[https://​arxiv.org/​pdf/​hep-th/​0103017.pdf|Collaborating with David Gross; Descendants of the Chiral Anomaly]] by R. Jackiw+For a great summary see section 2 in [[https://​arxiv.org/​pdf/​hep-th/​0103017.pdf|Collaborating with David Gross; Descendants of the Chiral Anomaly]] by R. Jackiw ​and the [[http://​home.mathematik.uni-freiburg.de/​cookies17/​files/​Moffatt_Freiburg%20Lecture%20Notes.pdf|Freiburg Lecture Notes]] by H.K.Moffatt
  
-<note tip>​Chern-Simons terms are known under different names in different branches of physics. In fluid mechanics it is usually called "fluid helicity",​ in plasma physics and magnetohydrodynamics "​magnetic helicity"​. In the context of field theories it is usually called Chern-Simons term.+<note tip>Chern-Simons terms describe topological properties of systems. A topological property is something that remains unchanged under small geometric changes.  
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 +Chern-Simons terms are known under different names in different branches of physics. In fluid mechanics it is usually called "fluid helicity",​ in plasma physics and magnetohydrodynamics "​magnetic helicity"​. In the context of field theories it is usually called Chern-Simons term.
 </​note>​ </​note>​
  
advanced_notions/chern-simons.txt · Last modified: 2017/11/22 10:46 by jakobadmin