{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:2F6OHFVT6ZFVB2QRVGSQKLZN45","short_pith_number":"pith:2F6OHFVT","schema_version":"1.0","canonical_sha256":"d17ce396b3f64b50ea11a9a5052f2de760a4df3e6ce64ea43bdeed4a7d0d378b","source":{"kind":"arxiv","id":"1507.06116","version":1},"attestation_state":"computed","paper":{"title":"Nematic fluctuations and the magneto-structural phase transition in ${\\rm Ba(Fe_{1-x}Co_x)_2As_2}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Andreas Baum, Bernhard Muschler, Carlo Di Castro, Daniel Jost, Florian Kretzschmar, Ian Randal Fisher, James G. Analytis, Jiun-Haw Chu, Joerg Schmalian, Marco Grilli, Rudi Hackl, Sergio Caprara, Thomas B\\\"ohm, Una Karahasanovi\\'c","submitted_at":"2015-07-22T09:53:44Z","abstract_excerpt":"An inelastic light (Raman) scattering study of nematicity and critical fluctuations in ${\\rm Ba(Fe_{1-x}Co_x)_2As_2}$ ($0\\le x \\le 0.051$) is presented. It is shown that the response from fluctuations appears only in $B_{1g}$ (${x^2-y^2}$) symmetry. The scattering amplitude increases towards the structural transition at $T_s$ but vanishes only below the magnetic ordering transition at $T_{\\rm SDW} < T_s$, suggesting a magnetic origin of the fluctuations. The theoretical analysis explains the selection rules and the temperature dependence of the fluctuation response. These results make magnetis"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1507.06116","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-07-22T09:53:44Z","cross_cats_sorted":[],"title_canon_sha256":"e97b5d2396de1584a6118cccdae76f4caa9659a88d1512b95300d4a2db6e2834","abstract_canon_sha256":"c57e11835fec8019babaa478eac76db63834b453da630e23c9d9c968644184f1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:44.661207Z","signature_b64":"et1RjF6AfKj3Iovo1RKTTy4a2WJDRBsfziUF0NVyvd5sa+KBo7QjCE/hkFMXv2LQFQF+/wyDYgnoi/oiokomAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d17ce396b3f64b50ea11a9a5052f2de760a4df3e6ce64ea43bdeed4a7d0d378b","last_reissued_at":"2026-05-18T01:08:44.660744Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:44.660744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nematic fluctuations and the magneto-structural phase transition in ${\\rm Ba(Fe_{1-x}Co_x)_2As_2}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Andreas Baum, Bernhard Muschler, Carlo Di Castro, Daniel Jost, Florian Kretzschmar, Ian Randal Fisher, James G. Analytis, Jiun-Haw Chu, Joerg Schmalian, Marco Grilli, Rudi Hackl, Sergio Caprara, Thomas B\\\"ohm, Una Karahasanovi\\'c","submitted_at":"2015-07-22T09:53:44Z","abstract_excerpt":"An inelastic light (Raman) scattering study of nematicity and critical fluctuations in ${\\rm Ba(Fe_{1-x}Co_x)_2As_2}$ ($0\\le x \\le 0.051$) is presented. It is shown that the response from fluctuations appears only in $B_{1g}$ (${x^2-y^2}$) symmetry. The scattering amplitude increases towards the structural transition at $T_s$ but vanishes only below the magnetic ordering transition at $T_{\\rm SDW} < T_s$, suggesting a magnetic origin of the fluctuations. The theoretical analysis explains the selection rules and the temperature dependence of the fluctuation response. These results make magnetis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.06116","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1507.06116","created_at":"2026-05-18T01:08:44.660820+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.06116v1","created_at":"2026-05-18T01:08:44.660820+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.06116","created_at":"2026-05-18T01:08:44.660820+00:00"},{"alias_kind":"pith_short_12","alias_value":"2F6OHFVT6ZFV","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_16","alias_value":"2F6OHFVT6ZFVB2QR","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_8","alias_value":"2F6OHFVT","created_at":"2026-05-18T12:28:59.999130+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2F6OHFVT6ZFVB2QRVGSQKLZN45","json":"https://pith.science/pith/2F6OHFVT6ZFVB2QRVGSQKLZN45.json","graph_json":"https://pith.science/api/pith-number/2F6OHFVT6ZFVB2QRVGSQKLZN45/graph.json","events_json":"https://pith.science/api/pith-number/2F6OHFVT6ZFVB2QRVGSQKLZN45/events.json","paper":"https://pith.science/paper/2F6OHFVT"},"agent_actions":{"view_html":"https://pith.science/pith/2F6OHFVT6ZFVB2QRVGSQKLZN45","download_json":"https://pith.science/pith/2F6OHFVT6ZFVB2QRVGSQKLZN45.json","view_paper":"https://pith.science/paper/2F6OHFVT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.06116&json=true","fetch_graph":"https://pith.science/api/pith-number/2F6OHFVT6ZFVB2QRVGSQKLZN45/graph.json","fetch_events":"https://pith.science/api/pith-number/2F6OHFVT6ZFVB2QRVGSQKLZN45/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2F6OHFVT6ZFVB2QRVGSQKLZN45/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2F6OHFVT6ZFVB2QRVGSQKLZN45/action/storage_attestation","attest_author":"https://pith.science/pith/2F6OHFVT6ZFVB2QRVGSQKLZN45/action/author_attestation","sign_citation":"https://pith.science/pith/2F6OHFVT6ZFVB2QRVGSQKLZN45/action/citation_signature","submit_replication":"https://pith.science/pith/2F6OHFVT6ZFVB2QRVGSQKLZN45/action/replication_record"}},"created_at":"2026-05-18T01:08:44.660820+00:00","updated_at":"2026-05-18T01:08:44.660820+00:00"}