{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"7945250fa3b6bb2e360d9b6f61b354110842c2d9a6603e03b206426a00765e6d","created":"2026-10-03T07:17:58Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"0efdf54ff728b82b02255e410e63b602f02976216e63b5f9489ac7b00f8c1fcb","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"mechanism","assisted_by":[],"external_id":"chem.ciss.ciss-magnitude","kind":"phenomenon","literature_status":"contested","n":"1","parents":[],"plain":"Measured spin polarizations through chiral molecules reach tens of percent. The relativistic effect that links spin to motion, spin-orbit coupling, is only a few milli-electronvolts (a tiny energy) in carbon, which predicts effects hundreds of times smaller.","posed_since":"1999","precise":"Explain spin polarizations P of 10 to 60 percent reported in photoemission through chiral monolayers and in magnetoconductance of chiral molecular junctions, given atomic spin-orbit coupling constants of about 3 meV (C) to 20 meV (O), and much smaller effective couplings in the molecular orbitals. An answer is a microscopic mechanism with no fitted parameters that reproduces P, its sign versus handedness, and its dependence on molecular length and temperature.","problem_ref":null,"references":"","settled_by":"A first-principles theory reproducing quantitative CISS data on a benchmark system measured consistently in several laboratories.","status_note":"Reviews from 2022 to 2024 report that realistic single-particle spin-orbit models give at most a few percent polarization and no mechanism is accepted.","title":"Why chiral molecules polarize electron spins so strongly","topic_ref":"101e87c59983897406e49491824c3315a243c65ce471b22cd64824fac7bdc4c3"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"f159fbfe9897b7637db89b78bc61c72cc6dc0581df4d9dfcbbb4ffc8cfb31fa8","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"a1c7caecaea0c5e503416fd375804be60645259969c2010866d9e3469841d602","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"4iHdfldqFDhHJludWtc59ZllWj4x0NwRbfjZ-ddCoXpEj2Q2Zfyctzwx_Gti6vjPthSjJkllaDmftx24IEjsBw"},"schema":"pubphys.envelope/1"},"record_hash":"f159fbfe9897b7637db89b78bc61c72cc6dc0581df4d9dfcbbb4ffc8cfb31fa8","leaf_index":855}