Conformally invariant gauge theory of 3-branes in 6D and the cosmological constant

被引：12
|
作者：
Guendelman, EI [1 ]
Spallucci, E
机构：
[1] Ben Gurion Univ Negev, Dept Phys, IL-84105 Beer Sheva, Israel
[2] Univ Trieste, Dipartimento Fis Teor, I-34014 Trieste, Italy
[3] Ist Nazl Fis Nucl, Sez Trieste, I-34014 Trieste, Italy
来源：
PHYSICAL REVIEW D | 2004年 / 70卷 / 02期
关键词：
D O I：
10.1103/PhysRevD.70.026003
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
It is shown that the gauge theory of relativistic 3-branes can be formulated in a conformally invariant way if the embedding space is six dimensional. The implementation of conformal invariance requires the use of a modified measure, independent of the metric in the action. Brane-world scenarios without the need of a cosmological constant in 6D are constructed. Thus, no "old" cosmological constant problem appears at this level.
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页数：9
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