Symmetry breaking bulk effects in local D-brane models

被引：0
|
作者：
Anshuman Maharana
机构：
[1] DAMTP,
[2] University of Cambridge,undefined
来源：
Journal of High Energy Physics | / 2012卷
关键词：
Strings and branes phenomenology;
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学科分类号：
摘要：
We study symmetrybreaking effects in local D-brane models that arise as a result of compactification, focusing on models constructed on C3/Z3. Zero-modes of the Lichnerowicz operator in cone-like geometries have a power law behaviour; thus the leading symmetry breaking effects are captured by the modes with the lowest scaling dimension which transform non-trivially under the isometry group. Combining this with the fact that global symmetries in local models are gauged upon compactification we determine the strength and form of the leading operators responsible for the symmetry breaking.
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