期刊
EUROPEAN PHYSICAL JOURNAL C
卷 75, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-015-3273-4
关键词
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资金
- National Natural Science Foundation of China [11375075]
- Scholarship Award for Excellent Doctoral Student - Ministry of Education
Recently, Pani et al. explored a new theory of gravity by adding nondynamical fields, i.e., gravity with auxiliary fields (Phys Rev D 88:121502, 2013). In this gravity theory, higher-order derivatives of matter fields generically appear in the field equations. In this paper we extend this theory to any dimensions and discuss the thick braneworld model in five dimensions. Domain wall solutions are obtained numerically. The stability of the brane system under tensor perturbations is analyzed. We find that the system is stable under tensor perturbations and the gravity zeromode is localized on the brane. Therefore, the four-dimensional Newtonian potential can be realized on the brane.
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