{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:XDWSVS4P3ZTVIPRXXRDIJTWJHY","short_pith_number":"pith:XDWSVS4P","schema_version":"1.0","canonical_sha256":"b8ed2acb8fde67543e37bc4684cec93e240813ca918cfca6d1ebcd48a42f1a45","source":{"kind":"arxiv","id":"1703.05987","version":1},"attestation_state":"computed","paper":{"title":"The nuclear polaron beyond the mean-field approximation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.mes-hall","authors_text":"Denis Scalbert","submitted_at":"2017-03-17T12:17:45Z","abstract_excerpt":"In III-V semiconductors it was shown theoretically that under optical cooling the nuclear spin polaron bound to neutral donors would form below some critical nuclear spin temperature TC [I. A. Merkulov, Phys. Solid State 40, 930 (1998)]. The predicted critical behavior is a direct consequence of the use of the mean-field approximation. It is known however that in any finite size system a critical behavior must be absent. Here we develop a model of the optically cooled nuclear polaron, which goes beyond the mean-field approximation. An expression of the generalized free energy of the optically "},"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":"1703.05987","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-17T12:17:45Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"d399a8cd62cff8e60a09b3dc1629f4b0bb6b6d254b15abf0794c11b40b642778","abstract_canon_sha256":"882196eaa74abc8c9f4c2acb48d46ef74ac628e70b42cab00d179a21d4bc4202"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:24.487018Z","signature_b64":"/NEQjc5R8FPnCFTaMSGmHvHPgrI1zoq4p3vYwxMdYlSWqwJOj7I3aYivbLVz0sppmD6ZsE2wjxVoUKwPgA0dBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8ed2acb8fde67543e37bc4684cec93e240813ca918cfca6d1ebcd48a42f1a45","last_reissued_at":"2026-05-18T00:41:24.486448Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:24.486448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The nuclear polaron beyond the mean-field approximation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.mes-hall","authors_text":"Denis Scalbert","submitted_at":"2017-03-17T12:17:45Z","abstract_excerpt":"In III-V semiconductors it was shown theoretically that under optical cooling the nuclear spin polaron bound to neutral donors would form below some critical nuclear spin temperature TC [I. A. Merkulov, Phys. Solid State 40, 930 (1998)]. The predicted critical behavior is a direct consequence of the use of the mean-field approximation. It is known however that in any finite size system a critical behavior must be absent. Here we develop a model of the optically cooled nuclear polaron, which goes beyond the mean-field approximation. An expression of the generalized free energy of the optically "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.05987","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":"1703.05987","created_at":"2026-05-18T00:41:24.486526+00:00"},{"alias_kind":"arxiv_version","alias_value":"1703.05987v1","created_at":"2026-05-18T00:41:24.486526+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.05987","created_at":"2026-05-18T00:41:24.486526+00:00"},{"alias_kind":"pith_short_12","alias_value":"XDWSVS4P3ZTV","created_at":"2026-05-18T12:31:53.515858+00:00"},{"alias_kind":"pith_short_16","alias_value":"XDWSVS4P3ZTVIPRX","created_at":"2026-05-18T12:31:53.515858+00:00"},{"alias_kind":"pith_short_8","alias_value":"XDWSVS4P","created_at":"2026-05-18T12:31:53.515858+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/XDWSVS4P3ZTVIPRXXRDIJTWJHY","json":"https://pith.science/pith/XDWSVS4P3ZTVIPRXXRDIJTWJHY.json","graph_json":"https://pith.science/api/pith-number/XDWSVS4P3ZTVIPRXXRDIJTWJHY/graph.json","events_json":"https://pith.science/api/pith-number/XDWSVS4P3ZTVIPRXXRDIJTWJHY/events.json","paper":"https://pith.science/paper/XDWSVS4P"},"agent_actions":{"view_html":"https://pith.science/pith/XDWSVS4P3ZTVIPRXXRDIJTWJHY","download_json":"https://pith.science/pith/XDWSVS4P3ZTVIPRXXRDIJTWJHY.json","view_paper":"https://pith.science/paper/XDWSVS4P","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1703.05987&json=true","fetch_graph":"https://pith.science/api/pith-number/XDWSVS4P3ZTVIPRXXRDIJTWJHY/graph.json","fetch_events":"https://pith.science/api/pith-number/XDWSVS4P3ZTVIPRXXRDIJTWJHY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XDWSVS4P3ZTVIPRXXRDIJTWJHY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XDWSVS4P3ZTVIPRXXRDIJTWJHY/action/storage_attestation","attest_author":"https://pith.science/pith/XDWSVS4P3ZTVIPRXXRDIJTWJHY/action/author_attestation","sign_citation":"https://pith.science/pith/XDWSVS4P3ZTVIPRXXRDIJTWJHY/action/citation_signature","submit_replication":"https://pith.science/pith/XDWSVS4P3ZTVIPRXXRDIJTWJHY/action/replication_record"}},"created_at":"2026-05-18T00:41:24.486526+00:00","updated_at":"2026-05-18T00:41:24.486526+00:00"}