{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"c1c7e5ac113d888bf62bbf3f6b0914665b08611c9bfcaa786178f4b05dce462b","created":"2026-10-15T23:43:22Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["195fc40c017346ccd869831f62f0b0c0dade36448915bf891305255f913492c7","ce59fb6cd812fc05906d0c60a71c75ea22bc686bcf38e7c3ef7010834d98ee7b"],"salt":"32cdc2c10af647336647c6e82f7654094fef21b43ea77e6881827367bc41cf36","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"yes-no","assisted_by":[],"external_id":"cm.fese-sto-interface.replica-band-origin","kind":"well-posed","literature_status":"contested","n":"2","parents":[],"plain":"Photoemission shows faint copies of the FeSe bands shifted by the energy of a substrate vibration, read as strong electron-phonon coupling. Others argue the copies form when emitted electrons lose energy after leaving the sample.","posed_since":"2014","precise":"Lee et al. (2014) observed replica bands offset by $\\sim 100\\,\\mathrm{meV}$, interpreted as $q \\sim 0$ electron-phonon coupling with $\\mathrm{SrTiO_3}$ phonons; Li and Sawatzky (2018) proposed extrinsic energy loss of photoelectrons. Determine whether the replicas are intrinsic spectral weight of the FeSe electrons and, if so, the coupling constant they imply.","problem_ref":"195fc40c017346ccd869831f62f0b0c0dade36448915bf891305255f913492c7","references":"","settled_by":"Comparison with probes free of photoelectron energy loss (tunneling spectroscopy, momentum-resolved electron energy-loss spectroscopy) and with photoemission on FeSe over substrates with different phonons at matched doping.","status_note":"","title":"Are photoemission replica bands evidence of interfacial forward scattering?","topic_ref":null},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"17faba925bd691cac41439a7721b65c563335dcc97dbc2b6a1f091026992f4c3","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"a3b43d7eaecb21a0f3441b3de50836f83376d2c04bd74c2910a40830db09a5ae","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"AnlUm6exfOIlfsbeNIm5ILWG0gPlxzLLv-jzz8NMEk1qfAO0zlYTvDk8Y5v547aYgUW5cm3nCZGMik6uMCv-Cw"},"schema":"pubphys.envelope/1"},"record_hash":"17faba925bd691cac41439a7721b65c563335dcc97dbc2b6a1f091026992f4c3","leaf_index":2800}