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"where SU(N)L and SU(N)R are the left and right parts of the SU(N) matrix"
There is no such thing as left and right part of an SU(N) matrix. The group in question is a direct product and the left and right parts refer to the subgroups of the direct product isomorphic to the two SU(N) factors. The origin of this is the approximate flavor chiral symmetry present in the quark model. — Preceding unsigned comment added by Moribana ( talk • contribs) 16:35, 21 January 2014 (UTC)
The second sentence ("It arises ... the diagonal subgroup") is ungrammatical and therefore uninterpretable. A full sentence could end grammatically after "(the structure group)", but then there is a dangling part that has no discernible grammatical relationship with the rest. -- Lambiam Talk 07:11, 25 August 2006 (UTC)
See many papers on skyrmions in graphene, from the past decade: http://arxiv.org/pdf/1202.6047.pdf . Also needs a link to Tony Skyrme. – SJ + 19:59, 21 September 2012 (UTC)
There appears to be substantial research going on and from the writeups I've read, they're not sounding very hypothetical. They're sounding pretty real. This article from Nature, for example: http://www.nature.com/news/twisted-magnetic-fields-tie-information-in-a-knot-1.13530 70.182.96.10 ( talk) 13:02, 9 August 2013 (UTC)
{{
cite journal}}
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help); Unknown parameter |laysource=
ignored (
help)LeadSongDog come howl! 16:34, 8 October 2015 (UTC)
Demonstrated experimentally, see "Synthetic electromagnetic knot in a three-dimensional skyrmion." [1] Dsmatthews ( talk) 22:42, 4 March 2018 (UTC)
References
Is there a layperson's explanation (whatever that means here) of the term "hollowed-out" skyrmion? Jimw338 ( talk) 17:32, 12 November 2019 (UTC)
The winding number is a topological current, it is not related to a continuous symmetry, so it is not a Noether current for the chiral symmetry.
A meron is a a second-order half-skyrmion https://scitechdaily.com/second-order-optical-merons-or-light-pretending-to-be-a-ferromagnet/ Maybe worth to mention. -- Ernsts ( talk) 15:21, 2 March 2021 (UTC)
There really needs to be something explaining where the name comes from. Without that it feels like turboencabulator language to me. Hellbus ( talk) 01:28, 26 April 2021 (UTC)
Really? Something like: from [Tony ]Skyrm[e]+[ferm]ion ?
It would be nice to know who coined the term. It's a bit mysterious Found it - OED (
OED Online, Oxford University Press, March 2021, accessed 26 April 2021) points to an article on 'chiral solitons and current algebra' by Namik K.Pak and Hsiung Chia Tze that appeared in 1979 in
Annals of Physics vol 117, p 174
![]() | This article is rated Start-class on Wikipedia's
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![]() | It is requested that a physics diagram or diagrams be
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"where SU(N)L and SU(N)R are the left and right parts of the SU(N) matrix"
There is no such thing as left and right part of an SU(N) matrix. The group in question is a direct product and the left and right parts refer to the subgroups of the direct product isomorphic to the two SU(N) factors. The origin of this is the approximate flavor chiral symmetry present in the quark model. — Preceding unsigned comment added by Moribana ( talk • contribs) 16:35, 21 January 2014 (UTC)
The second sentence ("It arises ... the diagonal subgroup") is ungrammatical and therefore uninterpretable. A full sentence could end grammatically after "(the structure group)", but then there is a dangling part that has no discernible grammatical relationship with the rest. -- Lambiam Talk 07:11, 25 August 2006 (UTC)
See many papers on skyrmions in graphene, from the past decade: http://arxiv.org/pdf/1202.6047.pdf . Also needs a link to Tony Skyrme. – SJ + 19:59, 21 September 2012 (UTC)
There appears to be substantial research going on and from the writeups I've read, they're not sounding very hypothetical. They're sounding pretty real. This article from Nature, for example: http://www.nature.com/news/twisted-magnetic-fields-tie-information-in-a-knot-1.13530 70.182.96.10 ( talk) 13:02, 9 August 2013 (UTC)
{{
cite journal}}
: Cite uses deprecated parameter |authors=
(
help); Unknown parameter |laysource=
ignored (
help)LeadSongDog come howl! 16:34, 8 October 2015 (UTC)
Demonstrated experimentally, see "Synthetic electromagnetic knot in a three-dimensional skyrmion." [1] Dsmatthews ( talk) 22:42, 4 March 2018 (UTC)
References
Is there a layperson's explanation (whatever that means here) of the term "hollowed-out" skyrmion? Jimw338 ( talk) 17:32, 12 November 2019 (UTC)
The winding number is a topological current, it is not related to a continuous symmetry, so it is not a Noether current for the chiral symmetry.
A meron is a a second-order half-skyrmion https://scitechdaily.com/second-order-optical-merons-or-light-pretending-to-be-a-ferromagnet/ Maybe worth to mention. -- Ernsts ( talk) 15:21, 2 March 2021 (UTC)
There really needs to be something explaining where the name comes from. Without that it feels like turboencabulator language to me. Hellbus ( talk) 01:28, 26 April 2021 (UTC)
Really? Something like: from [Tony ]Skyrm[e]+[ferm]ion ?
It would be nice to know who coined the term. It's a bit mysterious Found it - OED (
OED Online, Oxford University Press, March 2021, accessed 26 April 2021) points to an article on 'chiral solitons and current algebra' by Namik K.Pak and Hsiung Chia Tze that appeared in 1979 in
Annals of Physics vol 117, p 174