Demonstration of Fold and Cusp Catastrophes in an Atomic Cloud Reflected from an Optical Barrier in the Presence of GravityRemoveSerge Rosenblum, Orel Bechler, Itay Shomroni, Roy Kaner, Talya Arusi-Parpar, Oren Raz, and Barak DayanPhys. Rev. Lett. 112, 120403 (2014)
