A controlled expansion in s² for electrons with concentrated kinematics allows analytical calculations of spectral broadening, T-linear resistivity in bad metals, and spectral functions in Mott semimetals for Hubbard and Chern band models.
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Valley domain walls act as impenetrable barriers to transport in metallic rhombohedral graphene unless intervalley interactions mediate transmission, and intervalley mixing is required for appreciable supercurrent in SNS' junctions connecting opposite-chirality regions.
In half-filled quasiperiodic moiré bands, ferromagnetism occurs at interaction strengths set by real-space geometry of localized orbital overlaps, with controlled resonances far below the band gap.
Non-uniform Berry curvature in parent Chern bands induces momentum-space vortices in the chiral superconducting gap function, with the parent Chern number constraining vortex count independently of model details.
Direct magnetometry imaging establishes reconfigurable chiral superconductivity in rhombohedral graphene with low-current domain control.
Self-doped Wigner crystals arise from preempted band-inversion transitions between commensurate crystals, as established by non-perturbative arguments and Hartree-Fock calculations in jellium and rhombohedral graphene models.
Exactly solvable PDW ground states are constructed in topological flat bands with opposite Chern numbers via a generalized quantum geometric nesting approach applied to magnetic translation symmetries.
Leading-order RG analysis shows repulsive interactions stabilize a chiral odd-parity pair density wave in quarter metals of chirally stacked graphene heterostructures.
citing papers explorer
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Controlled expansion for correlated electrons with concentrated kinematics
A controlled expansion in s² for electrons with concentrated kinematics allows analytical calculations of spectral broadening, T-linear resistivity in bad metals, and spectral functions in Mott semimetals for Hubbard and Chern band models.
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Valley Valves at Domain Walls in Symmetry-Broken Rhombohedral Graphene
Valley domain walls act as impenetrable barriers to transport in metallic rhombohedral graphene unless intervalley interactions mediate transmission, and intervalley mixing is required for appreciable supercurrent in SNS' junctions connecting opposite-chirality regions.
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Ferromagnetism from the geometry of localized wavefunctions in moir\'e systems
In half-filled quasiperiodic moiré bands, ferromagnetism occurs at interaction strengths set by real-space geometry of localized orbital overlaps, with controlled resonances far below the band gap.
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Chiral superconductors from parent states with non-uniform Berry curvature: Momentum-space vortices, BdG topology, and thermal Hall conductivity
Non-uniform Berry curvature in parent Chern bands induces momentum-space vortices in the chiral superconducting gap function, with the parent Chern number constraining vortex count independently of model details.
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Reconfigurable chiral superconductivity
Direct magnetometry imaging establishes reconfigurable chiral superconductivity in rhombohedral graphene with low-current domain control.
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Self-doped Crystal from Preempted Band-inversion Transitions
Self-doped Wigner crystals arise from preempted band-inversion transitions between commensurate crystals, as established by non-perturbative arguments and Hartree-Fock calculations in jellium and rhombohedral graphene models.
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Exactly solvable pair-density wave in topological flat bands from magnetic translation symmetries
Exactly solvable PDW ground states are constructed in topological flat bands with opposite Chern numbers via a generalized quantum geometric nesting approach applied to magnetic translation symmetries.
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Pair density wave in quarter metals from a repulsive fermionic interaction in graphene heterostructures: A renormalization group study
Leading-order RG analysis shows repulsive interactions stabilize a chiral odd-parity pair density wave in quarter metals of chirally stacked graphene heterostructures.