Phases, flops and F-theory: SU(5) gauge theories
Phases, flops and F-theory: SU(5) gauge theories
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相位、触发器和 F 理论:SU(5) 规范理论
DOI:
10.1007/jhep10(2013)046
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发表时间:
2013
影响因子:
5.4
通讯作者:
Hayashi H
中科院分区:
文献类型:
--
作者:
Hayashi H
We consider F-theory and M-theory compactifications on singular Calabi-Yau fourfolds with an SU (5) singularity. On the M-theory side this realizes three-dimensional= 2supersymmetricgaugetheorieswithmatter, andcompactificationonaresolutionof the fourfold corresponds to passing to the Coulomb branch of the gauge theory. The classical phase structure of these theories has a simple characterization in terms of subwedges of the fundamental Weyl chamber of the gauge group. This phase structure has a counterpart in the network of small resolutions of the Calabi-Yau fourfold. We determine the geometric realization of each phase, which crucially depends on the fiber structure in codimension 2 and 3, including the network structure, which is realized in terms of flop transitions. This results in a set of small resolutions, which do not have a standard algebraic or toric realization, but are obtained by flops along codimension 2 (matter) loci.
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