{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"019dfe300f655b8181d60ddf936d79762dd8f8d860a90b049ae9088f1728b8df","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"ef25520d9b8bdf40c6d58bc2555cd1ff84e05859a7f7bbd3e6f47b5d54bad513","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"cm.twisted-tmd","field":"cm","n":"1","review_cite":"J. Cai et al., Signatures of fractional quantum anomalous Hall states in twisted MoTe2, Nature, 2023","review_link":"https://doi.org/10.1038/s41586-023-06289-w","review_verified":"true","summary":"Twisting two sheets of a semiconductor such as MoTe2 or WSe2 creates narrow electron bands whose electrons can show quantized Hall currents without an applied magnetic field, and can superconduct. These bands are topological: their wavefunctions have a winding that forces current-carrying states at the sample edges.","title":"Twisted semiconductor bilayers MoTe2 and WSe2","topic_ref":null,"why":"They are the first systems where fractional quantum Hall physics appears at zero magnetic field, giving new routes to anyons and topological superconductors."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"ee366246d836c5c3de50c54cd6e2c171a9e583366ed05df246a7c45c4b74ffe1","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"7e9f65917ef3d7c2f3f043bb7464bad6e1804bedf61959b61631a2139376ebc3","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"utGgB4Muxj472dJpSCNytGdfHRis7c0XWjjKmTp6mIMfIyZj8r2p1aonQHGUSTx6a3WF4oRoqjArmw--_5YGDg"},"schema":"pubphys.envelope/1"},"record_hash":"ee366246d836c5c3de50c54cd6e2c171a9e583366ed05df246a7c45c4b74ffe1","leaf_index":178}