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arXiv 0710.1990hep-th
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非紧Gepner模型、Landau-Ginzburg Orbifolds和镜像对称

Non-compact Gepner Models, Landau-Ginzburg Orbifolds and Mirror Symmetry

Sujay K. Ashok, Raphael Benichou, Jan Troost

摘要:

我们研究在II型弦论中保持16或8个超荷的非紧Gepner模型。特别是,我们开发了一个orbifolded的朗道-金兹伯格描述这些模型类似于紧凑的Gepner模型的朗道-金兹伯格制定。Landau-Ginzburg描述提供了一个简单和直接的访问与非紧Gepner模型的奇点的几何形状。使用这些工具,我们能够给出一个直观的帐户的手征环的模型,特别是无质量模量。通过研究奇异线性Gepner模型的轨道折叠,我们通过适当地调整镜像对的Greene-Plesser构造来描述非紧Gepner模型的镜像对。对于特定的模型,我们采取了一个大的水平,低曲率限制,我们可以分析修正到一个平坦的空间orbifold近似的非紧Gepner模型。这就产生了一种模的计数,它与复曲面计数有细微的不同。

英文摘要:

We study non-compact Gepner models that preserve sixteen or eight supercharges in type II string theories. In particular, we develop an orbifolded Landau-Ginzburg description of these models analogous to the Landau-Ginzburg formulation of compact Gepner models. The Landau-Ginzburg description provides an easy and direct access to the geometry of the singularity associated to the non-compact Gepner models. Using these tools, we are able to give an intuitive account of the chiral rings of the models, and of the massless moduli in particular. By studying orbifolds of the singular linear dilaton models, we describe mirror pairs of non-compact Gepner models by suitably adapting the Greene-Plesser construction of mirror pairs for the compact case. For particular models, we take a large level, low curvature limit in which we can analyze corrections to a flat space orbifold approximation of the non-compact Gepner models. This gives rise to a counting of moduli which differs from the toric counting in a subtle way.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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