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 | The contents of the Chiral symmetry page were merged into Chirality (physics)#Chiral symmetry on 12 September 2015. For the contribution history and old versions of the merged article please see its history. |
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editI got lost on the first equation. For U and d quarks the Dirac operators are supposed to have different masses. How can both flavors have the same Dirac operator? —Preceding unsigned comment added by Janreimers (talk • contribs) 20:51, 16 January 2009 (UTC)
They are both assumed to be massless in this article. — Preceding unsigned comment added by 87.59.137.56 (talk) 14:49, 1 January 2012 (UTC)
This needs vast expansion and a much simpler lead in. Wouldn't it it be best merged with Chirality (physics)? Mal (talk) 12:26, 12 January 2012 (UTC)
- Definitely! Proceed! Cuzkatzimhut (talk) 15:40, 12 January 2012 (UTC)
Assessment comment
editThe comment(s) below were originally left at Talk:Chiral symmetry/Comments, and are posted here for posterity. Following several discussions in past years, these subpages are now deprecated. The comments may be irrelevant or outdated; if so, please feel free to remove this section.
| This little write-up is an excellent and beautifully
compact description. That said, I would comment that a beginner might be confused by the slightly differing definitions of 'chiral symmetry' that appear: (1) "This symmetry of the Lagrangian is called flavor symmetry or chiral symmetry, and is denoted as [I'm being sloppy in my use of symbols in this comment]: U(2)L x U(2)R ..." (2) [Later...] "The remaining chiral symmetry, SU(2)L x SU(2) turns out to be spontaneously broken by quark condensate..." Isn't it the case that the former (1) is typically called 'flavor symmetry', while the latter (2) is typically called 'chiral symmetry'? - TLT |
Last edited at 19:47, 24 February 2008 (UTC). Substituted at 11:32, 29 April 2016 (UTC)