Brane-bulk energy exchange and cosmological acceleration
E. Kiritsis
TL;DR
This paper investigates how energy exchange between a brane and the bulk influences cosmological evolution, revealing diverse solutions and a common feature of acceleration, with implications for string theory and cosmology.
Contribution
It introduces a detailed analysis of brane-bulk energy transfer effects on cosmology, highlighting conditions leading to accelerated expansion.
Findings
Diverse brane cosmologies depending on energy transfer mechanisms
Acceleration is a generic feature in these models
Rich variety of solutions based on matter equation of state and topology
Abstract
The consequences for the brane cosmological evolution of energy exchange between the brane and the bulk are analyzed. A rich variety of brane cosmologies is obtained, depending on the precise mechanism of energy transfer, the equation of state of brane-matter and the spatial topology. An accelerating era is generically a feature of the solutions. (Prepared for 36th International Symposium Ahrenshoop on the Theory of Elementary Particles: Recent Developments in String M Theory and Field Theory, Wernsdorf, Germany, 26-30 Aug 2003.)
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