{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:WMKQT3EGOOLQXVO2HRBRTPFMS3","short_pith_number":"pith:WMKQT3EG","schema_version":"1.0","canonical_sha256":"b31509ec8673970bd5da3c4319bcac96d3ca289056a801d5eba0dbfc913c2fae","source":{"kind":"arxiv","id":"cond-mat/9905004","version":1},"attestation_state":"computed","paper":{"title":"Phase transitions of electron-hole and unbalanced electron systems in coupled quantum wells in high magnetic field","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"O.L. Berman, V.G. Tsvetus, Yu.E. Lozovik","submitted_at":"1999-05-01T12:26:48Z","abstract_excerpt":"Superfluidity of spatially separated electrons and holes and unbalanced two-layer electron system in high magnetic field is considered.\n The temperature of the Kosterlitz-Thouless transition to a superfluid state is obtained as a function of magnetic field and interlayer separation. The equation of state for magnetoexciton system in quasi-classical regime is analyzed. The transition from excitonic phase to electron-hole phase is considered.\n Possible experimental manifestations of the predicted effects are briefly discussed."},"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":"cond-mat/9905004","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1999-05-01T12:26:48Z","cross_cats_sorted":[],"title_canon_sha256":"58ce11026c340cd755a1bbc43c2374d4811bcd3cb8be9f91a2f586d26b567945","abstract_canon_sha256":"4fc057d6cfd736295334491ed4416eb6df790ca9bb5f6ae87f945bcb501134dd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:04.715731Z","signature_b64":"CuJkw3FQlkOMtZwMBRgiR6qS+XrXyR7XtvpYYgs8suGlDi/qrCLSeO901VaqQjRLT9an8e8i/tYPTDdPqBG7Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b31509ec8673970bd5da3c4319bcac96d3ca289056a801d5eba0dbfc913c2fae","last_reissued_at":"2026-05-18T01:07:04.715059Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:04.715059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phase transitions of electron-hole and unbalanced electron systems in coupled quantum wells in high magnetic field","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"O.L. Berman, V.G. Tsvetus, Yu.E. Lozovik","submitted_at":"1999-05-01T12:26:48Z","abstract_excerpt":"Superfluidity of spatially separated electrons and holes and unbalanced two-layer electron system in high magnetic field is considered.\n The temperature of the Kosterlitz-Thouless transition to a superfluid state is obtained as a function of magnetic field and interlayer separation. The equation of state for magnetoexciton system in quasi-classical regime is analyzed. The transition from excitonic phase to electron-hole phase is considered.\n Possible experimental manifestations of the predicted effects are briefly discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9905004","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":"cond-mat/9905004","created_at":"2026-05-18T01:07:04.715178+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9905004v1","created_at":"2026-05-18T01:07:04.715178+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9905004","created_at":"2026-05-18T01:07:04.715178+00:00"},{"alias_kind":"pith_short_12","alias_value":"WMKQT3EGOOLQ","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_16","alias_value":"WMKQT3EGOOLQXVO2","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_8","alias_value":"WMKQT3EG","created_at":"2026-05-18T12:25:49.631198+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/WMKQT3EGOOLQXVO2HRBRTPFMS3","json":"https://pith.science/pith/WMKQT3EGOOLQXVO2HRBRTPFMS3.json","graph_json":"https://pith.science/api/pith-number/WMKQT3EGOOLQXVO2HRBRTPFMS3/graph.json","events_json":"https://pith.science/api/pith-number/WMKQT3EGOOLQXVO2HRBRTPFMS3/events.json","paper":"https://pith.science/paper/WMKQT3EG"},"agent_actions":{"view_html":"https://pith.science/pith/WMKQT3EGOOLQXVO2HRBRTPFMS3","download_json":"https://pith.science/pith/WMKQT3EGOOLQXVO2HRBRTPFMS3.json","view_paper":"https://pith.science/paper/WMKQT3EG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/9905004&json=true","fetch_graph":"https://pith.science/api/pith-number/WMKQT3EGOOLQXVO2HRBRTPFMS3/graph.json","fetch_events":"https://pith.science/api/pith-number/WMKQT3EGOOLQXVO2HRBRTPFMS3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WMKQT3EGOOLQXVO2HRBRTPFMS3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WMKQT3EGOOLQXVO2HRBRTPFMS3/action/storage_attestation","attest_author":"https://pith.science/pith/WMKQT3EGOOLQXVO2HRBRTPFMS3/action/author_attestation","sign_citation":"https://pith.science/pith/WMKQT3EGOOLQXVO2HRBRTPFMS3/action/citation_signature","submit_replication":"https://pith.science/pith/WMKQT3EGOOLQXVO2HRBRTPFMS3/action/replication_record"}},"created_at":"2026-05-18T01:07:04.715178+00:00","updated_at":"2026-05-18T01:07:04.715178+00:00"}