Comments on Duality in MQCD : Particles and Fields
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概要
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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.
- 理論物理学刊行会の論文
- 1998-07-25
著者
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Sugimoto Shigeki
Department Of Physics Nagoya University
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Sugimoto Shigeki
Department Of Applied Physics Osaka University:(present Address) Transistor Works Toshiba Co.
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Sugimoto Shigeki
Department Of Physics Kyoto University
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Sugimoto S
Kyoto Univ. Kyoto
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