Why do we live in 3+1 dimensions?
arXiv:hep-th/0501163 · doi:10.1016/j.physletb.2005.04.023
Abstract
In the context of string theory we argue that higher dimensional Dp-branes unwind and evaporate so that we are left with D3-branes embedded in a (9+1)-dimensional bulk. One of these D3-branes plays the role of our Universe. Within this picture, the evaporation of the higher dimensional Dp-branes provides the entropy of our Universe.
9 pages, 4 figures. Citations added, text and figures updated to match version accepted for publication
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- String Gas Cosmology
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- Cosmic Strings and Cosmic Superstrings
- Numerical experiments with p F- and q D-strings: the formation of (p,q) bound states
- Cosmology and the Noncommutative approach to the Standard Model
- Relaxing to Three Dimensions
- Fractional Brane State in the Early Universe
- Moduli Stabilization in String Gas Cosmology
- Cosmic Strings
- Cosmic Superstrings
- Dark energy and decompactification in string gas cosmology
- D-term inflation in non-minimal supergravity
- Challenges for String Gas Cosmology
- Dynamics of F/D networks: the role of bound states
- Field localization on a brane intersection in anti-de Sitter spacetime
- How the Big Bang Ends up Inside a Black Hole
- Conceptual Problems of Inflationary Cosmology and a New Approach to Cosmological Structure Formation
- Production of Topological Defects at the End of Inflation
- Production of topological defects at the end of inflation
- Fermion states on domain wall junctions and the flavor number
- A Principle to Determine the Number (3 + 1) of Large Spacetime Dimensions
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- Relaxing to a three dimensional brane junction
- Stabilization of Extra Dimensions and The Dimensionality of the Observed Space
- Consequences of U dualities for Intersecting Branes in the Universe
- 10 + 1 to 3 + 1 in an Early Universe with mutually BPS Intersecting Branes
- Entropy of Anisotropic Universe and Fractional Branes
- What Moves the Heavens Above?
- Lovelock inflation and the number of large dimensions
- The Revival of Cosmic Strings
- Brane gas-driven bulk expansion as a precursor stage to brane inflation
- Space-time dimensionality from brane collisions
- Stabilisation of Seven Directions in an Early Universe M -- theory Model
- Thermal Equilibrium of String Gas in Hagedorn Universe
- Cosmic strings from pseudo-anomalous Fayet-Iliopoulos U(1) in D3/D7 brane inflation
- Quantum Gravity and Cosmology: an intimate interplay
- Cosmological acceleration from a gas of strings
- Existence of Life in 2 + 1 Dimensions
- On the Dynamical Instability of Monatomic Fluid Spheres in (N+1)-Dimensional Spacetime
- Formation & evolution of cosmic superstrings: a short review
- Dilaton and axion bremsstrahlung from collisions of cosmic (super)strings
- Study of Early Universe in an M Theoretic Model
- Near-Horizon geometry from flux compactification
- Non-BPS D9-branes in the Early Universe
- Topics in Cosmology
- Looking Beyond Inflationary Cosmology
- Non singular, bouncing M theory universe
- Form-field bremsstrahlung under collision of p-branes