Fermions in a warped resolved conifold

被引：15
|
作者：
Dantas, D. M. [1 ]
Silva, J. E. G. [1 ]
Almeida, C. A. S. [1 ]
机构：
[1] Univ Fed Ceara, Dept Fis, BR-60455760 Fortaleza, Ceara, Brazil
来源：
PHYSICS LETTERS B | 2013年 / 725卷 / 4-5期
关键词：
Braneworlds; Fermion localization; Resolved conifold; String-like brane; HIERARCHY; GRAVITY;
D O I：
10.1016/j.physletb.2013.07.021
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We investigated the localization of the spinorial field in a braneworld built as a warped product between a 3-brane and a 2-cycle of the resolved conifold. This scenario provides a geometric flow that controls the singularity at the origin and changes the properties of the fermion in this background. Furthermore, due the cylindrical symmetry according to the 3-brane and a smoothed warp factor, this geometry can be regarded as a near brane correction of the string-like branes. This geometry allows a normalizable and well-defined massless mode whose decay and value on the brane depend on the resolution parameter. For the Kaluza-Klein modes, resolution parameter also controls the height of the barrier of the volcano potential. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：425 / 430
页数：6
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