'Matter waves' move through one another but never share space
Ultracold disappearing act A disappearing act was the last thing Rice University physicist Randy Hulet expected to see in his ultracold atomic experiments, but that is what he and his students produced by colliding pairs of Bose Einstein condensates (BECs) that were prepared in special states called solitons.
https://scienceblog.com/75116/matter-waves-move-one-another-never-share-space/
Ultracold disappearing act A disappearing act was the last thing Rice University physicist Randy Hulet expected to see in his ultracold atomic experiments, but that is what he and his students produced by colliding pairs of Bose Einstein condensates (BECs) that were prepared in special states called solitons.
https://scienceblog.com/75116/matter-waves-move-one-another-never-share-space/