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4 papers · 2 filters
Anomalies and Fayet-Iliopoulos terms on warped orbifolds and large hierarchies
Takayuki Hirayama, Koichi Yoshioka
The anomalies in five-dimensional orbifold theories are examined in a generic type of non-factorizable geometries. In spite of complicated fermion wavefunctions, the shape of anoma…
Effective de Sitter brane via running radius
Nobuhiro Uekusa
We present the solution for effective couplings on a running de Sitter brane. A renormalization group formalism is developed for linearized gravity in a two de Sitter brane model.…
Dilaton coupled brane-world and field trapping
Kazuo Ghoroku, Motoi Tachibana, Nobuhiro Uekusa
We address solutions of brane-world with cosmological constant by introducing the dilaton in 5d bulk, and we examine the localization of graviton, gauge bosons and dilaton. For…
Caustics in the Grassmann Integral
Taro Kashiwa, Tomohiko Sakaguchi
It is shown that a simple model of 2N-Grassmann variables with a four-body coupling involves caustics when the integral has been converted to a bosonic form with the aid of the aux…