An exactly solvable model of a quantum chain coupled to a cavity photon via dipole interaction yields a closed-form reduced density matrix that reveals logarithmic light-matter and spatial entanglement scaling with system size at strong coupling, arising from photon resolution of collective dipole P
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A GW+RPA perturbation framework built on Hartree-Fock is applied to hBN-aligned rhombohedral pentalayer graphene and magic-angle twisted bilayer graphene, producing phase diagrams and spectra that match experiments and predicting a nematic metal ground state at charge neutrality in MATBG.
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General Many-Body Perturbation Framework for Moir\'e Systems
A GW+RPA perturbation framework built on Hartree-Fock is applied to hBN-aligned rhombohedral pentalayer graphene and magic-angle twisted bilayer graphene, producing phase diagrams and spectra that match experiments and predicting a nematic metal ground state at charge neutrality in MATBG.