Comments on duality in MQCD
Apr, 199829 pages
Published in:
- Prog.Theor.Phys. 100 (1998) 123-146
e-Print:
- hep-th/9804114 [hep-th]
DOI:
Report number:
- KUNS-1502,
- HE-TH-98-04
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Abstract:
We clarify some ambiguous points in a derivation of duality via brane exchange using M-theory language, and propose a ``proof'' of duality in MQCD. Actually, duality in MQCD is rather trivial and does not need a complicated proof. The problem is how to interpret it in field theory language. We examine BPS states in N=2 theory and find the particle correspondence under duality. In the process, we also find some exotic particles in N=2 MQCD, and we observe an interesting phenomenon in type IIA string theory, namely, that fundamental strings are converted into D2-branes via the exchange of two NS5-branes. We also discuss how we should understand Seiberg's N=1 duality from exact duality in MQCD.Note:
- 29 pages + 20 uuencoded eps figures, LaTeX with PTPTeXsty, typo corrected, version to appear in Prog. Theor. Phys
- quantum chromodynamics
- M-theory
- duality
- string model
- membrane model
- supersymmetry
- soliton
- space: Taub-NUT
- gauge field theory: SU(N)
- particle: spectrum
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Figures(16)
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