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The discovery of correlated electronic phases, including Mott-like insulatorsand superconductivity, in twisted bilayer graphene (TBLG) near the magic angle,and the intriguing similarity of their phenomenology to that of thehigh-temperature superconductors, has spurred a surge of research to uncoverthe underlying physical mechanism. Local spectroscopy, which is capable ofaccessing the symmetry and spatial distribution of the spectral function, canprovide essential clues towards unraveling this puzzle. Here we use scanningtunneling microscopy (STM) and spectroscopy (STS) in magic angle TBLG tovisualize the local density of states (DOS) and charge distribution. Doping thesample to partially fill the flat band, where low temperature transportmeasurements revealed the emergence of correlated electronic phases, we find apseudogap phase accompanied by a global stripe charge-order whose similarity tohigh-temperature superconductors provides new evidence of a deeper linkunderlying the phenomenology of these systems.

Charge-Order and Broken Rotational Symmetry in Magic Angle Twisted Bilayer Graphene