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arXiv 2205.09320hep-thhep-ph
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Wilson线标量凝聚流紧化中的规范对称性破缺

Gauge Symmetry Breaking in Flux Compactification with Wilson-line Scalar Condensate

Kento Akamatsu, Takuya Hirose, Nobuhito Maru

摘要:

讨论了具有磁通量背景和恒定真空期望值的六维通量紧致化理论中规范对称性破缺问题,其中标量场是规范场额外空间分量的零模.虽然标量场的有效势是已知的不产生经典和辐射的磁通量背景下,单回路有效势被证明是由非零常数VEV的影响。作为例子,我们计算了SU(2)和SU(3)杨-米尔斯理论中的单圈有效势。在这两种情况下,我们发现势的最小值位于非零VEV和规范对称性破缺发生。

英文摘要:

We discuss the gauge symmetry breaking of six dimensional theories in flux compactification with a magnetic flux background and a constant vacuum expectation value (VEV) for the scalar fields, which are zero modes of extra spatial components of the gauge field. Although the effective potential for the scalar fields are known not to be generated classically and radiatively in a magnetic flux background only, the one-loop effective potential is shown to be generated by the effects of the non-zero constant VEV. As illustrations, we calculate the one-loop effective potential in SU(2) and SU(3) Yang-Mills theories. In both cases, we find that the potential minimum is located at non-zero VEV and the gauge symmetry breaking takes place.

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