{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"f01a497984df5b5c757928b3e33725e7a01103960017571b8cfde6c91aef4779","created":"2026-10-03T07:18:01Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"d63a3457aae9b5a5e9000b57ffc04726284acfda7e7cf5b2c4659789d25731d4","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"mechanism","assisted_by":[],"external_id":"cm.strange-metals.t-linear-origin","kind":"phenomenon","literature_status":"open","n":"1","parents":[],"plain":"Ordinary metals show resistance growing as temperature squared at low temperature, but strange metals show resistance growing linearly in temperature down to the lowest temperatures reached.","posed_since":"1987","precise":"Explain $\\rho(T) = \\rho_0 + A_1 T$ persisting from T well below the Fermi temperature up to and beyond the Mott-Ioffe-Regel limit without saturation, near quantum critical points in cuprates ($p \\sim p*$), YbRh2Si2 and other materials. An answer is a controlled theory of a metal without long-lived quasiparticles in two or three dimensions that yields T-linear resistivity with the measured slope $A_1$ and its doping or field dependence.","problem_ref":null,"references":"","settled_by":"A controlled model calculation that reproduces $A_{1}$, the optical conductivity and the magnetotransport of at least one strange metal with parameters fixed by independent measurements.","status_note":"","title":"Microscopic origin of T-linear resistivity in strange metals","topic_ref":"bfd78216bee7da77225ac2973e7d9a78ff7a1c51ad977d9d7c3327e70d7ac174"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"55615a03bfc157c39f29e579b86af0cdfab4347440038fffed38db8a9a205062","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"af8db5148ce37748da918cd4c1db98a1a396d0af5d481f031f65ccb3832cc3cb","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"zqZxz9N3j82UiiFc3RNT4U6k1F7T8tjDxRjx5ZmNnheTck-QJPo8yBcDuv0_1348q7dTkxVwcoYA1TkW-i6zBQ"},"schema":"pubphys.envelope/1"},"record_hash":"55615a03bfc157c39f29e579b86af0cdfab4347440038fffed38db8a9a205062","leaf_index":1179}