Sublattice-selective interlayer hybridizations in twisted bipartite lattice heterobilayers generate tunable zero-energy flat bands possessing finite Berry curvature and Chern-insulator-scale quantum metric.
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Flat bands enhance Andreev reflection and induce asymmetric electronic Goos-Hänchen shifts at NS interfaces in the extended α-T3 lattice, producing a Hall-like Josephson response in SNS geometry dominated by quasi-flat bands.
Sliding in a Dirac-semimetal heterostructure stabilizes a selective Kondo screening phase and a Luttinger-violating metallic state with a flat hybridized band inside the Kondo gap.
Moiré band flatness follows a universal scaling law with supercell size, obtained by mapping structural perturbations to disordered systems via the Thouless number and confirmed by 1D and 2D full-wave simulations.
An X9 high-order Van Hove singularity enables triplet superconductivity with Tc following a power-law dependence on interaction strength rather than the usual exponential form.
A general-purpose self-attention Fermi neural network finds chiral p_x ± ip_y superconductivity in an attractive Fermi gas via unbiased energy minimization.
In BN/graphene/PbI2 moiré superlattices, robust incompressible states at filling factor vh=0 and a fractional 2/3 e²/h plateau are observed and attributed to Chern junctions between moiré-modulated and conventional quantum Hall domains, with an unconventional Hofstadter spectrum linked to PbI2-prox-
Doping the Kane-Mele-Hubbard model at filling ν=1 induces quantum anomalous Hall crystals with skyrmion spin textures and topological domain walls hosting chiral modes.
Experimental observation of gate-tunable Josephson diode effect in two adjacent junctions in MATBG attributed to kinetic inductance and non-uniform supercurrent distribution shaped by microscopic inhomogeneities.
Pressure tunes band flatness and geometry in tMoTe2 to control FCI and GWC phases and their topological transitions at fractional fillings.
Chiral cavity photon exchange induces orbital magnetization that embeds chirality into a superconductor's ground state, producing a photo-controlled diode nonreciprocity demonstrated in principle for twisted bilayer graphene.
Simulations of colloidal particles in twisted optical tweezers lattices reveal percolating flat channels at magic angles that enable transport under weak drift forces for both square and hexagonal geometries.
DMFT+H calculations on the TBG 8-band model produce resistive states at integer fillings and cascades in optical conductivity with doping-dependent Drude weight and scattering rate resets.
RPA calculation identifies chiral p-wave pairing as dominant in tetralayer graphene at low densities, with distinct finite-momentum and zero-momentum superconducting regimes.
citing papers explorer
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Quantum Geometry of Moir\'e Flat Bands Beyond the Valley Paradigm
Sublattice-selective interlayer hybridizations in twisted bipartite lattice heterobilayers generate tunable zero-energy flat bands possessing finite Berry curvature and Chern-insulator-scale quantum metric.
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Enhanced Andreev Reflection in Flat-Band Systems: Wave Packet Dynamics, DC Transport and the Josephson Effect
Flat bands enhance Andreev reflection and induce asymmetric electronic Goos-Hänchen shifts at NS interfaces in the extended α-T3 lattice, producing a Hall-like Josephson response in SNS geometry dominated by quasi-flat bands.
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Selective Kondo screening and strange metallicity by sliding Dirac semimetals
Sliding in a Dirac-semimetal heterostructure stabilizes a selective Kondo screening phase and a Luttinger-violating metallic state with a flat hybridized band inside the Kondo gap.
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Supercell-size scaling of moir\'e band flatness
Moiré band flatness follows a universal scaling law with supercell size, obtained by mapping structural perturbations to disordered systems via the Thouless number and confirmed by 1D and 2D full-wave simulations.
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Triplet superconductivity supported by an X$_9$ high-order Van Hove singularity
An X9 high-order Van Hove singularity enables triplet superconductivity with Tc following a power-law dependence on interaction strength rather than the usual exponential form.
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Attention is all you need to solve chiral superconductivity
A general-purpose self-attention Fermi neural network finds chiral p_x ± ip_y superconductivity in an attractive Fermi gas via unbiased energy minimization.
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Chern junctions in Moir\'e-Patterned Graphene/PbI2
In BN/graphene/PbI2 moiré superlattices, robust incompressible states at filling factor vh=0 and a fractional 2/3 e²/h plateau are observed and attributed to Chern junctions between moiré-modulated and conventional quantum Hall domains, with an unconventional Hofstadter spectrum linked to PbI2-prox-
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Doping-induced Quantum Anomalous Hall Crystals and Topological Domain Walls
Doping the Kane-Mele-Hubbard model at filling ν=1 induces quantum anomalous Hall crystals with skyrmion spin textures and topological domain walls hosting chiral modes.
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Gate-tunable Josephson diodes in magic-angle twisted bilayer graphene
Experimental observation of gate-tunable Josephson diode effect in two adjacent junctions in MATBG attributed to kinetic inductance and non-uniform supercurrent distribution shaped by microscopic inhomogeneities.
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Pressure-Tunable Generalized Wigner Crystal and Fractional Chern Insulator in twisted MoTe$_2$
Pressure tunes band flatness and geometry in tMoTe2 to control FCI and GWC phases and their topological transitions at fractional fillings.
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Photo-induced superconducting diode effect via chiral cavity modes
Chiral cavity photon exchange induces orbital magnetization that embeds chirality into a superconductor's ground state, producing a photo-controlled diode nonreciprocity demonstrated in principle for twisted bilayer graphene.
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Colloidal transport in twisted lattices of optical tweezers
Simulations of colloidal particles in twisted optical tweezers lattices reveal percolating flat channels at magic angles that enable transport under weak drift forces for both square and hexagonal geometries.
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Cascades in transport and optical conductivity of Twisted Bilayer Graphene
DMFT+H calculations on the TBG 8-band model produce resistive states at integer fillings and cascades in optical conductivity with doping-dependent Drude weight and scattering rate resets.
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Chiral finite-momentum superconductivity in the tetralayer graphene
RPA calculation identifies chiral p-wave pairing as dominant in tetralayer graphene at low densities, with distinct finite-momentum and zero-momentum superconducting regimes.