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Kondo-lattice phenomenology of twisted bilayer WSe$_2$ from compact molecular orbitals of topological bands

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arxiv 2503.21769 v1 pith:XOIMUJCB submitted 2025-03-27 cond-mat.str-el

Fang Xie , Chenyuan Li , Jennifer Cano , Qimiao Si This is my paper · ORCID
classification cond-mat.str-el
keywords phenomenologybandsbilayercompactcorrelatedmolecularnatureorbitals
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abstract

The discovery of superconductivity and correlated electronic phases in twisted bilayer WSe$_2$ (Xia et al., Nature 2024; Guo et al., Nature 2025) has generated considerable excitement. Accompanying the superconductivity and a correlated insulator phase is the Kondo-lattice-like phenomenology in transport properties. Here we consider how such phenomenology can develop when the combination of the active bands are topological. We advance a unique construction of compact molecular orbitals through a partial Wannierization that is symmetry preserving. The resulting Anderson lattice model provides the basis for a microscopic understanding of the experimental observation, including the involved energy scales. Our approach may apply to a broad range of settings where topology and correlations interplay.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Multi-Q spin-valley order in twisted WSe2

    cond-mat.str-el 2025-10 conditional novelty 7.0 of 10

    At ν=1 in 3.65°-twisted WSe2, Hartree-Fock predicts that the 120° antiferromagnet gives way to coplanar or non-coplanar multi-Q magnetic order with four ordering wavevectors and soft M-point spin fluctuations.

  2. Topological chiral superconductivity from antiferromagnetic correlations in moir\'{e} bands with extreme spin-orbit coupling

    cond-mat.supr-con 2025-07 conditional novelty 6.0 of 10

    The energetically favored superconducting pairing in two strong-coupling models of twisted bilayer WSe2 is chiral and topological, with p/d wave mixing and Chern number ±1 or ±2.

  3. Topology and compact molecular orbitals in twisted bilayer WSe$_2$

    cond-mat.str-el 2026-07 conditional novelty 5.0 of 10

    The top two moiré valence bands of twisted WSe2, computed from first principles, carry Chern number C=+1 each and decompose into a compact f-orbital plus a topological c-orbital, giving ab initio parameters for effect...

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