Instanton moduli in string theory

被引:0
作者
Buchbinder, EI
Ovrut, BA
Reinbacher, R
机构
[1] Inst Adv Study, Sch Nat Sci, Princeton, NJ 08540 USA
[2] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA
[3] Harvard Univ, Dept Math, Cambridge, MA 02138 USA
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2005年 / 04期
关键词
superstrings and heterotic strings; M-theory; differential and algebraic geometry;
D O I
暂无
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
Expressions for the number of moduli of arbitrary SU(n) vector bundles constructed via Fourier-Mukai transforms of spectral data over Calabi- Yau threefolds are derived and presented. This is done within the context of simply connected, elliptic Calabi-Yau threefolds with base F-r, but the methods have wider applicability. The condition for a vector bundle to possess the minimal number of moduli for fixed r and n is discussed and an explicit formula for the minimal number of moduli is presented. In addition, transition moduli for small instanton phase transitions involving non-positive spectral covers are defined, enumerated and given a geometrical interpretation.
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页数:37
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