In these models, our universe is part of a cyclic universe that repeats itself infinitely. The idea is that our universe originated from the collision of two higher-dimensional branes, with the collision leading to an expansion phase (inflation).
In these models, our universe is part of a cyclic universe that repeats itself infinitely. The idea is that our universe originated from the collision of two higher-dimensional branes, with the collision leading to an expansion phase (inflation).