STM Rounds up Electron Waves at the QM Corral Available to Purchase

Everyone who has completed an elementary quantum mechanics course has seen plots of solutions of the Schrödinger equation for the archetypal “particle in a box.” Now IBM researchers have used scanning tunneling microscopy to image the rippled density of states of electrons inside a “corral” built with a few dozen carefully positioned iron atoms on a copper surface. (See the cover of this issue.) The spectacular results closely match theoretical models of the system.