English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Building on our previous results, we study D-brane/string prototypes inweakly coupled (3+1)-dimensional supersymmetric field theory engineered tosupport (2+1)-dimensional domain walls, "non-Abelian" strings and variousjunctions. Our main but not exclusive task is the study of localization ofnon-Abelian gauge fields on the walls. The model we work with is N=2 QCD, withthe gauge group SU(2)x$U(1) and N_f=4 flavors of fundamental hypermultiplets(referred to as quarks), perturbed by the Fayet-Iliopoulos term of the U(1)factor. In the limit of large but almost equal quark mass terms a set of vacuaexists in which this theory is at weak coupling. We focus on these vacua(called the quark vacua). We study elementary BPS domain walls interpolatingbetween selected quark vacua, as well as their bound state, a composite wall.The composite wall is demonstrated to localize a non-Abelian gauge field on itsworld sheet. Next, we turn to the analysis of recently proposed "non-Abelian"strings (flux tubes) which carry orientational moduli corresponding torotations of the "color-magnetic" flux direction inside a global O(3). We finda 1/4-BPS solution for the string ending on the composite domain wall. The endpoint of this string is shown to play the role of a non-Abelian (dual) chargein the effective world volume theory of non-Abelian (2+1)-dimensional vectorfields confined to the wall.Comment: 57 pages, 10 eps figures; Section 4.2.2 expanded; Section 6.4 added;  typos corrected; 2 figures replaced by improved versions; Editorial  corrections -- Final version to appear in Phys. Rev.

Localization of non-Abelian gauge fields on domain walls at weak coupling: D-brane prototypes