Uptunneling to de Sitter

We propose a Euclidean preparation of an asymptotically AdS(2) spacetime that contains an inflating dS(2) bubble. The setup can be embedded in a four dimensional theory with a Minkowski vacuum and a false vacuum. AdS(2) approximates the near horizon geometry of a two-sided near-extremal Reissner-Nordstrom black hole, and the two sides can connect to the same Minkowski asymptotics to form a topologically nontrivial worm- hole geometry. Likewise, in the false vacuum the near-horizon geometry of near-extremal black holes is approximately dS(2) times 2-sphere. We interpret the Euclidean solution as describing the decay of an excitation inside the wormhole to a false vacuum bubble. The result is an inflating region inside a non-traversable asymptotically Minkowski wormhole.