Talk:Sigma model

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maths rating[edit]

I am setting this to high, given that it is the basis for many theories, including ST. 201.8.27.5 (talk) 19:35, 28 October 2008 (UTC)[reply]

Someone else set it to low. I set it to mid. 67.198.37.16 (talk) 23:24, 28 October 2020 (UTC)[reply]

complex plane[edit]

Wouldnt quantum mechanics be a sigma model from the real line to the complex plane? Or have i missunderstood something? — Preceding unsigned comment added by 82.132.244.222 (talk) 20:41, 6 July 2015 (UTC)[reply]

you may well have.Cuzkatzimhut (talk) 20:52, 6 July 2015 (UTC)[reply]

Lagrangian notation[edit]

Wouldn't be good to mention in what notation is the Lagrangian written? It is not the usual field theory notation. Paranoidhuman (talk) 04:04, 9 January 2019 (UTC)[reply]

Done. 67.198.37.16 (talk) 23:24, 28 October 2020 (UTC)[reply]

TODO List[edit]

I expanded this article last month, but never finished saying what I wanted to say. This includes:

Articulating the general case for symmetric spaces, e.g. cleanly tracking the vector and axial vector components for the chiral model.
The above ties together the Cartan involution, the Killing fields, etc. etc.
Commentary about anomalies
Commentary about Dan Freed results
More supergravity results, e.g. oxidation

Above in rough order of priority... 67.198.37.16 (talk) 18:03, 3 February 2021 (UTC)[reply]