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On String Junctions in Supersymmetric Gauge Theories

Name: On String Junctions in Supersymmetric Gauge Theories
Creator: Yosuke Imamura
Keywords: High Energy Physics - Theory, High Energy Physics - Theory (hep-th), Supersymmetric field theories in quantum mechanics, 0103 physical sciences, FOS: Physical sciences, String and superstring theories; other extended objects (e.g., branes) in quantum field theory, 01 natural sciences, Yang-Mills and other gauge theories in quantum field theory

On string junctions in supersymmetric gauge theories

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Dec 2004Embargo end date: 01 Jan 2004Publisher:Oxford University Press (OUP)Journal:Progress of Theoretical Physics, volume 112, pages 1,061-1,086 (issn: 0033-068X, eissn: 1347-4081,

Authors: Yosuke Imamura;

doi: 10.1143/ptp.112.1061 , 10.48550/arxiv.hep-th/0410138

arXiv: http://arxiv.org/abs/hep-th/0410138

On String Junctions in Supersymmetric Gauge Theories

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Abstract

We study junctions consisting of confining strings in N=1 supersymmetric large N gauge theories by means of the gauge/gravity correspondence. We realize these junctions as D-brane configurations in infrared geometries of the Klebanov-Strassler (KS) and the Maldacena-Nunez (MN) solutions. After discussing kinematics associated with the balance of tensions, we compute the energies of baryon vertices numerically. In the KS background, baryon vertices give negative contributions to the energies. The results for the MN background strongly suggest that the energies of baryon vertices exactly vanish, as in the case of supersymmetric (p,q)-string junctions. We find that brane configurations in the MN background have a property similar to the holomorphy of the M-theory realization of (p,q)-string junctions. With the help of this property, we analytically prove the vanishing of the energies of baryon vertices in the MN background.

33 pages, 16 figures, LaTeX2e; references added, typos corrected

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University of Tokyo
Japan

Keywords

High Energy Physics - Theory, High Energy Physics - Theory (hep-th), Supersymmetric field theories in quantum mechanics, FOS: Physical sciences, String and superstring theories; other extended objects (e.g., branes) in quantum field theory, Yang-Mills and other gauge theories in quantum field theory

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