Intertwined order in fractional Chern insulators from finite-momentum pairing of composite fermions
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DOI: 10.1103/physrevb.101.245154
Abstract: We investigate the problem of intertwined orders in fractional Chern insulators by considering lattice fractional quantum Hall (FQH) states arising from pairing of composite fermions in the square-lattice Hofstadter model. At certain filling fractions, magnetic… read more here.
Keywords: chern insulators; composite fermions; finite momentum; fractional chern ... See more keywords
Interplay of fractional Chern insulator and charge density wave phases in twisted bilayer graphene
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DOI: 10.1103/physrevb.103.125406
Abstract: Large-scale exact diagonalization reveals the competition between fractional Chern insulator and charge density wave states in a realistic spin- and valley-polarized single-band model for twisted bilayer graphene aligned with its hexagonal boron nitride substrate. While… read more here.
Keywords: fractional chern; charge density; insulator charge; density wave ... See more keywords
Detecting Fractional Chern Insulators in Optical Lattices through Quantized Displacement.
Sign Up to like & getrecommendations! Published in 2020 at "Physical review letters"
DOI: 10.1103/physrevlett.125.236401
Abstract: The realization of interacting topological states of matter such as fractional Chern insulators (FCIs) in cold atom systems has recently come within experimental reach due to the engineering of optical lattices with synthetic gauge fields… read more here.
Keywords: fractional chern; insulators optical; detecting fractional; optical lattices ... See more keywords