dS solutions with co-dimension 2 branes in six dimensions
作者： Hassan Firouzjahi , Shahrokh Parvizi , Hamid R. Afshar
DOI: 10.1088/0264-9381/30/23/235030
关键词:
摘要: We investigate phenomenological four-dimensional (4D) dS solutions with co-dimension 2 branes and finite 4D Planck mass in six dimensions. present the conditions under which six-dimensional compactifications holomorphic axion–dilaton field or models pure gravity local sources can yield solutions. Different classes of are specified by a function describing different embeddings multiple conical branes. Depending on singularities this topology compact dimension, one has to introduce 3-branes creating deficit angle equal π and/or 4-branes positive tensions.
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