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Title: Hadrons of N = 2 supersymmetric QCD in four dimensions from little string theory

Journal Article · · Physical Review D

It was recently shown that non-Abelian vortex strings supported in a version of four-dimensional N = 2 supersymmetric QCD become critical superstrings. In addition to four translational moduli, non-Abelian strings under consideration have six orientational and size moduli. Together they form a ten-dimensional target space required for a superstring to be critical, namely, the product of the flat four-dimensional space and conifold—a noncompact Calabi-Yau threefold. In this paper we report on further studies of low-lying closed string states that emerge in four dimensions and identify them as hadrons of our four-dimensional N = 2 QCD. We use the approach based on little string theory, describing the critical string on the conifold as a noncritical c = 1 string with the Liouville field and a compact scalar at the self-dual radius. In addition to the massless hypermultiplet found earlier we observe several massive vector multiplets and a massive spin-2 multiplet, all belonging to the long (non-BPS) representations of N = 2 supersymmetry in four dimensions. All the above states are interpreted as baryons formed by a closed string with confined monopoles attached. Our construction presents an example of a “reverse holography.”

Research Organization:
Univ. of Minnesota, Minneapolis, MN (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0011842
OSTI ID:
1478572
Alternate ID(s):
OSTI ID: 1611682
Journal Information:
Physical Review D, Journal Name: Physical Review D Vol. 98 Journal Issue: 8; ISSN 2470-0010
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

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