{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"9123640ad028d6cc1af1e396e3aafc8b25593f4c06919c4936b67461aa400165","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"78ad94efd949f9e5f4c24fef8407743130b25174872b26dfa2d3a407805e5bdd","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"cm.tc-limits","field":"cm","n":"1","review_cite":"I. Esterlis, S. A. Kivelson, D. J. Scalapino, A bound on the superconducting transition temperature, npj Quantum Materials, 2018","review_link":"https://doi.org/10.1038/s41535-018-0133-0","review_verified":"true","summary":"No known law of physics forbids a superconductor at room temperature and normal pressure, yet every known material falls short. Theorists try to derive limits on the transition temperature from the energies of electrons and lattice vibrations.","title":"Upper limits on the superconducting transition temperature","topic_ref":null,"why":"A proven bound would tell materials searches where to stop, while its absence leaves room-temperature superconductivity at ambient pressure an open target."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"b4b75ff0c70cf5671429b9fb89c50704ada0cab4ee0e1be6e0ee986b669f9fe8","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"2a1dce7d48491021c25ea6ec5465ed447d00f7f572061102356f75596a55f613","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"0ih06M9zQJXRhPP6StxtN1hrXgqH_Hb0eCiha4wNUIwP06YXkhFcqFqyVcz7b4_wwTCuTphNb0eJOLOaBbHQAQ"},"schema":"pubphys.envelope/1"},"record_hash":"b4b75ff0c70cf5671429b9fb89c50704ada0cab4ee0e1be6e0ee986b669f9fe8","leaf_index":176}