Unexpected Peaks in Spectrum Upset Conventional Models of Exotic Quantum Material

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Mott Insulator Electron Injection
Figure 1: RIKEN physicists used the tip of a scanning tunneling microscope (gray inverted pyramid) to inject single electrons (gold sphere) into the surface of a Mott insulator). Credit: ยฉ RIKEN Center for Emergent Matter Science

Mott Insulator Exhibits a Sharp Response to Electron Injection