Black Brane World from Gravitating Half σ-lump
نویسنده
چکیده
We study O(N+1) nonlinear σ-model in (p+1+N)-dimensional curved spacetime with a negative cosmological constant, and find a new σ-lump solution with half-integer winding and divergent energy. When the spatial structure of N extra-dimensions is determined by this global defect, a black σp-brane surrounded by the degenerated horizon is formed and its near-horizon geometry is identified as a warp geometry of a cigar type.
منابع مشابه
Gravitating σ Model Solitons
We study axially symmetric static solitons of O(3) nonlinear σ model coupled to (2+1)-dimensional anti-de Sitter gravity. The obtained solutions are not self-dual under static metric. The usual regular topological lump solution cannot form a black hole even though the scale of symmetry breaking is increased. There exist nontopological solitons of half integral winding in a given model, and the ...
متن کاملBoundary and Midpoint Behaviors of Lump Solutions in Vacuum String Field Theory
We discuss various issues concerning the behaviors near the boundary (σ = 0, π) and the midpoint (σ = π/2) of the open string coordinate X(σ) and its conjugate momentum P (σ) = −iδ/δX(σ) acting on the matter projectors of vacuum string field theory. Our original interest is in the dynamical change of the boundary conditions of the open string coordinate from the Neumann one in the translational...
متن کاملThe gravitating σ model in 2 + 1 dimensions : black hole solutions
We derive and discuss black–hole solutions to the gravitating O(3) σ model in (2+1) dimensions. Three different kinds of static black holes are found. One of these resembles the static BTZ black hole, another is completely free of singularities, and the last type has the same Penrose diagram as the (3+1)–dimensional Schwarzschild black hole. We also construct static and dynamical multi–black ho...
متن کاملThe cosmological gravitating σ model : solitons and black holes
We derive and analyze exact static solutions to the gravitating O(3) σ model with cosmological constant in (2+1) dimensions. Both signs of the gravitational and cosmological constants are considered. Our solutions include geodesically complete spacetimes, and two classes of black holes. e-mail: [email protected] e-mail: [email protected]
متن کاملBouncing Cosmology in Three Dimensions
We consider a dynamical two-brane in a four dimensional black hole background with scalar hair. At high temperature this black hole goes through a phase transition by radiating away the scalar. The end phase is a topological adS-Schwarzschild black hole. We argue here that for a sufficiently low temperature, the brane motion in this geometry is non-singular. This results in a universe which pas...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2004