Warping spacetime, parrallel universes

[alice87368]

so what exactly is warping spacetime and a parallel universe? and what kind of physicist studies that? is this cosmology or something else?

 

[humanino]

Warped spacetime models originate in string theory. This is theoretical high energy physics, and turned out to have important cosmological implication. An excellent book introducing the topic is Lisa Randall's "Warped Passages".