Geometries with mismatched branes

Understand

We study Randall-Sundrum two brane setups with mismatched brane tensions.

• For the vacuum solutions, boundary conditions demand that the induced metric on each of the branes is either de Sitter, Anti-de Sitter, or Minkowski.
• For incompatible boundary conditions, the bulk metric is necessarily time-dependent.
• This introduces a new class of time-dependent solutions with the potential to address cosmological issues and provide alternatives to conventional inflationary (or contracting) scenarios.