{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:6CIATXAXVW4HJNPOBO2DJYJT72","short_pith_number":"pith:6CIATXAX","schema_version":"1.0","canonical_sha256":"f09009dc17adb874b5ee0bb434e133fe8db04c6ab43e6107eb207444fced7d96","source":{"kind":"arxiv","id":"1812.01249","version":1},"attestation_state":"computed","paper":{"title":"Electric Toroidal Quadrupoles in Spin-Orbit Coupled Metal Cd$_2$Re$_2$O$_7$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Hiroaki Kusunose, Satoru Hayami, Yukitoshi Motome, Yuki Yanagi","submitted_at":"2018-12-04T07:04:37Z","abstract_excerpt":"We report our theoretical results on the order parameters for the pyrochlore metal Cd$_2$Re$_2$O$_7$, which undergoes enigmatic phase transitions with inversion symmetry breaking. By carefully examining active electronic degrees of freedom based on the lattice symmetry, we propose that two parity-breaking phases at ambient pressure are described by unconventional multipoles, electric toroidal quadrupoles (ETQs) with different components, $x^2-y^2$ and $3z^2-r^2$, in the pyrochlore tetrahedral unit. We elucidate that the ETQs are activated by bond or spin-current order on Re-Re bonds. Our ETQ s"},"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":"1812.01249","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-04T07:04:37Z","cross_cats_sorted":[],"title_canon_sha256":"07965f19f271d011e3920cba9669b3a395e5c0bd38a151fecac41732bc0f352b","abstract_canon_sha256":"ece3063a5429be2355ec403b01a2fc3bb0b90affb5daf434ddd143d28cb94f37"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:23.560606Z","signature_b64":"L/7abjDN08V2vlvRxCBzif2WmQcGmY46jEetvqvHoULeQWdVdLtZnQRuuXqV9jY0QUdmqPyH0g0ChucHcPQdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f09009dc17adb874b5ee0bb434e133fe8db04c6ab43e6107eb207444fced7d96","last_reissued_at":"2026-05-17T23:48:23.560122Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:23.560122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electric Toroidal Quadrupoles in Spin-Orbit Coupled Metal Cd$_2$Re$_2$O$_7$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Hiroaki Kusunose, Satoru Hayami, Yukitoshi Motome, Yuki Yanagi","submitted_at":"2018-12-04T07:04:37Z","abstract_excerpt":"We report our theoretical results on the order parameters for the pyrochlore metal Cd$_2$Re$_2$O$_7$, which undergoes enigmatic phase transitions with inversion symmetry breaking. By carefully examining active electronic degrees of freedom based on the lattice symmetry, we propose that two parity-breaking phases at ambient pressure are described by unconventional multipoles, electric toroidal quadrupoles (ETQs) with different components, $x^2-y^2$ and $3z^2-r^2$, in the pyrochlore tetrahedral unit. We elucidate that the ETQs are activated by bond or spin-current order on Re-Re bonds. Our ETQ s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01249","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":"1812.01249","created_at":"2026-05-17T23:48:23.560204+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.01249v1","created_at":"2026-05-17T23:48:23.560204+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01249","created_at":"2026-05-17T23:48:23.560204+00:00"},{"alias_kind":"pith_short_12","alias_value":"6CIATXAXVW4H","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_16","alias_value":"6CIATXAXVW4HJNPO","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_8","alias_value":"6CIATXAX","created_at":"2026-05-18T12:32:08.215937+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/6CIATXAXVW4HJNPOBO2DJYJT72","json":"https://pith.science/pith/6CIATXAXVW4HJNPOBO2DJYJT72.json","graph_json":"https://pith.science/api/pith-number/6CIATXAXVW4HJNPOBO2DJYJT72/graph.json","events_json":"https://pith.science/api/pith-number/6CIATXAXVW4HJNPOBO2DJYJT72/events.json","paper":"https://pith.science/paper/6CIATXAX"},"agent_actions":{"view_html":"https://pith.science/pith/6CIATXAXVW4HJNPOBO2DJYJT72","download_json":"https://pith.science/pith/6CIATXAXVW4HJNPOBO2DJYJT72.json","view_paper":"https://pith.science/paper/6CIATXAX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.01249&json=true","fetch_graph":"https://pith.science/api/pith-number/6CIATXAXVW4HJNPOBO2DJYJT72/graph.json","fetch_events":"https://pith.science/api/pith-number/6CIATXAXVW4HJNPOBO2DJYJT72/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6CIATXAXVW4HJNPOBO2DJYJT72/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6CIATXAXVW4HJNPOBO2DJYJT72/action/storage_attestation","attest_author":"https://pith.science/pith/6CIATXAXVW4HJNPOBO2DJYJT72/action/author_attestation","sign_citation":"https://pith.science/pith/6CIATXAXVW4HJNPOBO2DJYJT72/action/citation_signature","submit_replication":"https://pith.science/pith/6CIATXAXVW4HJNPOBO2DJYJT72/action/replication_record"}},"created_at":"2026-05-17T23:48:23.560204+00:00","updated_at":"2026-05-17T23:48:23.560204+00:00"}