{"schema":"pubphys.bundle/1","record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"34003bf824593308d9894050ccba010d8f413d064d59a199c71a02514fa2ad26","created":"2026-10-03T07:18:01Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"46a6c90ad1b0da9302b233735423d271008875240ae22d96322c4f3fd9791e85","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"mechanism","assisted_by":[],"external_id":"cm.twisted-tmd.twse2-superconductivity","kind":"phenomenon","literature_status":"open","n":"1","parents":[],"plain":"Twisted WSe2 superconducts at twist angles near 3.65 and 5 degrees, next to insulating or possibly magnetic states, and the attraction that pairs its electrons is unknown.","posed_since":"2024","precise":"In twisted bilayer WSe2 at $\\theta \\sim 3.65\\,\\mathrm{deg}$ and $\\sim 5\\,\\mathrm{deg}$, superconductivity with $T_c$ of a few hundred mK appears near half filling of the top moire band under displacement field, adjacent to a correlated insulator or metal with possible antiferromagnetic order. Determine the pairing interaction (spin fluctuations of a triangular-lattice Hubbard model, valley fluctuations, phonons) and the gap symmetry. An answer reproduces $T_c$ versus displacement field and filling from a microscopic model.","problem_ref":null,"references":"","settled_by":"A gap-symmetry measurement plus identification of the adjacent ordered state, and a calculation reproducing the superconducting dome.","status_note":"Reported in 2024-2025 by Cornell (3.65 deg) and Columbia (5.0 deg) groups; a 2026 preprint reports superconductivity in twisted trilayer WSe2 (arXiv:2606.11495).","title":"Mechanism of superconductivity in twisted bilayer 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