Research paperTheoreticalMagnetic and Lattice Ordered Fractional Quantum Hall Phases in GrapheneJincheng An, Ajit C. Balram, Ganpathy Murthy2024·10.1103/phys-·arXiv:2401.12357AbstractAt and near charge neutrality, monolayer graphene in a perpendicular magnetic field is a quantum Hall ferromagnet. In addition to the highly symmetric Coulomb interaction, residual lattice-scale interactions, Zeeman, and sublattice couplings determine the fate of the ground state. Going beyond the simplest model with ultra-short-range residual couplings to more generic couplings, one finds integer phases that show the coexistence of magnetic and lattice order parameters. Here we show that fractional quantum Hall states in the vicinity of charge neutrality have even richer phase diagrams, with a plethora of phases with simultaneous magnetic and lattice symmetry breaking.Read more
Research paperTheoreticalMagnetic and Lattice Ordered Fractional Quantum Hall Phases in GrapheneJincheng An, Ajit C. Balram, Ganpathy Murthy2024·10.1103/phys-·arXiv:2401.12357AbstractAt and near charge neutrality, monolayer graphene in a perpendicular magnetic field is a quantum Hall ferromagnet. In addition to the highly symmetric Coulomb interaction, residual lattice-scale interactions, Zeeman, and sublattice couplings determine the fate of the ground state. Going beyond the simplest model with ultra-short-range residual couplings to more generic couplings, one finds integer phases that show the coexistence of magnetic and lattice order parameters. Here we show that fractional quantum Hall states in the vicinity of charge neutrality have even richer phase diagrams, with a plethora of phases with simultaneous magnetic and lattice symmetry breaking.Read more
Research paperTheoreticalMagnetic and Lattice Ordered Fractional Quantum Hall Phases in GrapheneJincheng An, Ajit C. Balram, Ganpathy Murthy2024·10.1103/phys-·arXiv:2401.12357AbstractAt and near charge neutrality, monolayer graphene in a perpendicular magnetic field is a quantum Hall ferromagnet. In addition to the highly symmetric Coulomb interaction, residual lattice-scale interactions, Zeeman, and sublattice couplings determine the fate of the ground state. Going beyond the simplest model with ultra-short-range residual couplings to more generic couplings, one finds integer phases that show the coexistence of magnetic and lattice order parameters. Here we show that fractional quantum Hall states in the vicinity of charge neutrality have even richer phase diagrams, with a plethora of phases with simultaneous magnetic and lattice symmetry breaking.Read more
Research paperTheoreticalMagnetic and Lattice Ordered Fractional Quantum Hall Phases in GrapheneJincheng An, Ajit C. Balram, Ganpathy Murthy2024·10.1103/phys-·arXiv:2401.12357AbstractAt and near charge neutrality, monolayer graphene in a perpendicular magnetic field is a quantum Hall ferromagnet. In addition to the highly symmetric Coulomb interaction, residual lattice-scale interactions, Zeeman, and sublattice couplings determine the fate of the ground state. Going beyond the simplest model with ultra-short-range residual couplings to more generic couplings, one finds integer phases that show the coexistence of magnetic and lattice order parameters. Here we show that fractional quantum Hall states in the vicinity of charge neutrality have even richer phase diagrams, with a plethora of phases with simultaneous magnetic and lattice symmetry breaking.Read more
