Kolb, Rocky2017-05-232017-05-232017-05https://hdl.handle.net/11299/188193The big bang has often been called the ultimate particle accelerator, and physicists have used the enormous temperatures of the early universe as a laboratory for the study of new particles and new interactions. Less explored is another source for creation of particles in the big bang: gravitational production. I will discuss the production of particles from the vacuum caused by the expansion of the universe.enFTPIOLIVEFESTPresentation