In the dilute limit of the 1D infinite-U Hubbard model the charge Drude weight admits a closed-form expression whose low-temperature expansion, after regularization of the singular contribution, yields linear-in-T resistivity.
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Experimental preparation of a Dirac spin liquid candidate in a 114-atom Rydberg kagome array shows correlations consistent with a gapless U(1) state.
Exact dimer-monomer RVB ground states are found and solved analytically for the singly hole-doped tetrahedron chain in the U to infinity Hubbard model.
CsCr3Sb5's 4x1 CDW state features antiferromagnetic Cr dimers whose fluctuations may mediate superconductivity.
Gutzwiller study of MATBG at ν=2.5 finds dome-shaped FL separating BCS-SC from strongly correlated SC-SC, with nematic SC showing nodal gaps at large U and sFL as possible parent state.
VMC study of two-orbital Hubbard-Kanamori model finds s± superconductivity only near Mott state at half-filling with no orbital selectivity, unlike three-orbital models.
A quasi-1D Kitaev chain from truncated honeycomb shows chiral topological phases with protected edge modes in BDI class and broad continua from fractional excitations in dynamical spin correlations.
Introductory lecture notes on tensor networks with emphasis on matrix-product states, their algorithms, higher-dimensional generalizations, and applications to mixed states and open quantum systems, accompanied by Julia code.
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Resonating Valence Bond Ground States on Corner-sharing Simplices
Exact dimer-monomer RVB ground states are found and solved analytically for the singly hole-doped tetrahedron chain in the U to infinity Hubbard model.