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Instantons, fluxons, and open gauge string theory

机译:瞬子,磁通和开放式弦理论

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We use the exact instanton expansion to illustrate various string characteristics of non-commutative gauge theory in two dimensions. We analyse the spectrum of the model and present some evidence in favour of Hagedorn and fractal behaviours. The decompactification limit of non-commutative torus instantons is shown to map in a very precise way, at both the classical and quantum levels, onto fluxon solutions on the non-cornmutative plane. The weak-coupling singularities of the usual Gross-Taylor string partition function for QCD on the torus are studied.
机译:我们使用精确的瞬时子展开来说明二维非交换规范理论的各种字符串特征。我们分析了模型的频谱,并提出了一些有利于哈格多恩和分形行为的证据。非交换环瞬间的解压缩极限被显示为以非常精确的方式在经典和量子水平上映射到非交换平面上的通量解。研究了圆环上QCD的常规Gross-Taylor弦分区函数的弱耦合奇点。

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