Cosmic p-branes

Abstract

We consider the metrics for cosmic strings and $p$-branes in spacetime dimension $N>4$, that is, we look for solutions to Einstein-Maxwell-Dilaton gravity in $N$-dimensions with boost symmetry in the $p$-directions along the brane. Focussing first in detail on the five dimensional uncharged cosmic string we discuss the solution, which turns out to have a naked singularity on the brane, as well as considering its Kaluza-Klein reduction. We show how singularities may be avoided with particular core models. We then derive the general uncharged $p$-brane solution in arbitrary dimension. Finally, we consider an Einstein-Maxwell-Dilaton action, with arbitrary value of the dilaton coupling parameter, deriving the solutions for electrically and magnetically charged branes, as well as a class of self-dual branes.

Updated to agree with published version, (section 6 expanded) 26 pages, plain tex

References in corpus (10)

• Cosmic strings
• String Solitons
• The Instability of Charged Black Strings and p-Branes
• Black and super p-branes in diverse dimensions
• On singularities of spherically symmetric backgrounds in string theory
• Pair production of black holes on cosmic strings
• Breaking Cosmic Strings without Monopoles
• Smooth metrics for snapping strings
• Pair creation of black holes joined by cosmic strings
• Spacelike Singularities and String Theory

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• Small Steps and Giant Leaps in the Landscape
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• Brane Induced Gravity, its Ghost and the Cosmological Constant Problem
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• Self-gravitating branes of codimension 4 in Lovelock gravity
• Two-Dimensional Reduced Theory and General Static Solution for Uncharged Black p-Branes
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• Massless Limit of Gravitational Higgs Mechanism
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• Radially stabilized inflating cosmic strings
• A Novel Approach to the Cosmological Constant Problem
• A New Class of Accelerating Black Hole Solutions
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• Microscopic Entropy of Non-dilatonic Branes: a 2D approach
• Smooth tensionful higher-codimensional brane worlds with bulk and brane form fields
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