Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-10-03
Physics
High Energy Physics
High Energy Physics - Theory
16 pages. Version 2, 3: References added
Scientific paper
Long ago, McVittie had found a class of solutions which can be thought of as Schwarzschild black holes in an FRW universe. In recent years they have been studied extensively and generalised to charged and uncharged black holes in D \ge 4 dimensions also. Here, assuming an ansatz similar to McVittie's, we present solutions for uncharged branes which can be thought of as branes in a time dependent universe. We consider their application to the brane antibrane decay process, also referred to as tachyon condensation, and discuss the necessary generalisations required for our ansatz to describe such a process.
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