Pseudo-anomalous U(1) symmetry in the strong coupling limit of the heterotic string

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• 作者：Biné ; truy ; Pierre ; Deffayet ; Cé ; dric ; Dudas ; Emilian ; Ramond ; Pierre
• 刊名：Physics Letters B
• 出版年：1998
• 出版时间：November 26, 1998
• 年：1998
• 卷：441
• 期：1-4
• 页码：163-172
• 全文大小：128 K

文摘

We discuss, in the context of the strongly-coupled E₈×E₈ heterotic string proposed by Horava and Witten, the appearance of anomalous U(1)_X symmetries of a nonperturbative origin, related to the presence, after compactification, of five-branes in the five-dimensional bulk of the theory. We compute the gauge anomalies and the induced Fayet–Iliopoulos terms on each boundary, which we find to be lower than the universal one induced in the weakly coupled case.