Comments on the U(2) noncommutative instanton

We discuss the 't Hoof ansatz for instanton solutions in noncommutative U(2) Yang-Mills theory. We show that the extension of the ansatz leading to singular solutions in the commutative case, yields to non self-dual (or self-antidual) configurations in noncommutative space-time. A proposal lead...

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Detalles Bibliográficos
Autores principales: Correa, Diego Hernán, Lozano, Gustavo Sergio, Moreno, E. F., Schaposnik, Fidel Arturo
Formato: Articulo
Lenguaje:Inglés
Publicado: 2001
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/102590
https://ri.conicet.gov.ar/11336/79248
Aporte de:
id I19-R120-10915-102590
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Noncommutative
Instantons
spellingShingle Física
Noncommutative
Instantons
Correa, Diego Hernán
Lozano, Gustavo Sergio
Moreno, E. F.
Schaposnik, Fidel Arturo
Comments on the U(2) noncommutative instanton
topic_facet Física
Noncommutative
Instantons
description We discuss the 't Hoof ansatz for instanton solutions in noncommutative U(2) Yang-Mills theory. We show that the extension of the ansatz leading to singular solutions in the commutative case, yields to non self-dual (or self-antidual) configurations in noncommutative space-time. A proposal leading to selfdual solutions with Q=1 topological charge (the equivalent of the regular BPST ansatz) can be engineered, but in that case the gauge field and the curvature are not Hermitian (although the resulting Lagrangian is real).
format Articulo
Articulo
author Correa, Diego Hernán
Lozano, Gustavo Sergio
Moreno, E. F.
Schaposnik, Fidel Arturo
author_facet Correa, Diego Hernán
Lozano, Gustavo Sergio
Moreno, E. F.
Schaposnik, Fidel Arturo
author_sort Correa, Diego Hernán
title Comments on the U(2) noncommutative instanton
title_short Comments on the U(2) noncommutative instanton
title_full Comments on the U(2) noncommutative instanton
title_fullStr Comments on the U(2) noncommutative instanton
title_full_unstemmed Comments on the U(2) noncommutative instanton
title_sort comments on the u(2) noncommutative instanton
publishDate 2001
url http://sedici.unlp.edu.ar/handle/10915/102590
https://ri.conicet.gov.ar/11336/79248
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