most citedExact Solutions of Fractional Chern Insulators: Interacting Particles in the Hofstadter Model at Finite Size

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cond-mat.str-el2014★ 43 cited

Exact Solutions of Fractional Chern Insulators: Interacting Particles in the Hofstadter Model at Finite Size

Thomas Scaffidi, Steven H. Simon

We show that all the bands of the Hofstadter model on the torus have an exactly flat dispersion and Berry curvature when a special system size is chosen. This result holds for any…