期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷 18, 期 18, 页码 3221-3262出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X0301509X
关键词
brane world; cosmological constant; gravity
We discuss the cosmological constant problem in the context of higher codimension brane world scenarios with infinite-volume extra dimensions. In particular, by adding higher curvature terms in the bulk action we are able to find smooth solutions with the property that the four-dimensional part of the brane world-volume is flat for a range of positive values of the brane tension.
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