{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:X2OWUXYUHKIV7O5TTBDJL7DO6A","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e55ce6487eb686a4d22d7aa8f5eecbbe74cb736665726096a65e2104682243a4","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-02-27T15:36:57Z","title_canon_sha256":"4541e7979202fa207ba5ccd5e6197ff15cc5d13291330987e16276c981ad1a1f"},"schema_version":"1.0","source":{"id":"1202.5976","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5976","created_at":"2026-05-18T03:22:51Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5976v2","created_at":"2026-05-18T03:22:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5976","created_at":"2026-05-18T03:22:51Z"},{"alias_kind":"pith_short_12","alias_value":"X2OWUXYUHKIV","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"X2OWUXYUHKIV7O5T","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"X2OWUXYU","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:8b6afadf514a0c10624e86a21820aaab918d3f1c01fdf04c250dfcd70a95e5a2","target":"graph","created_at":"2026-05-18T03:22:51Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"It has been recently suggested that the Bose-Einstein condensate formed by excitons in the dilute limit must be dark, i.e., not coupled to photons. Here, we show that, under a density increase, the dark exciton condensate must acquire a bright component due to carrier exchange in which dark excitons turn bright. This however requires a density larger than a threshold which seems to fall in the forbidden region of the phase separation between a dilute exciton gas and a dense electron-hole plasma. The BCS-like condensation which is likely to take place on the dense side, must then have a dark an","authors_text":"M. Combescot, R. Combescot","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-02-27T15:36:57Z","title":"\"Gray\" BCS condensate of excitons and internal Josephson effect"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5976","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:922bda03579e0dedf136a03a6b2f877ed7600480e874b1e3115ee374458b3717","target":"record","created_at":"2026-05-18T03:22:51Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"e55ce6487eb686a4d22d7aa8f5eecbbe74cb736665726096a65e2104682243a4","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-02-27T15:36:57Z","title_canon_sha256":"4541e7979202fa207ba5ccd5e6197ff15cc5d13291330987e16276c981ad1a1f"},"schema_version":"1.0","source":{"id":"1202.5976","kind":"arxiv","version":2}},"canonical_sha256":"be9d6a5f143a915fbbb3984695fc6ef02df7fa43d4d2a123e5ea9636e6abed1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be9d6a5f143a915fbbb3984695fc6ef02df7fa43d4d2a123e5ea9636e6abed1b","first_computed_at":"2026-05-18T03:22:51.948513Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:51.948513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gGKoVW4JNMjDBDbVJ3zif64iKHYGhJn9xVaix8mvpC2j3mBf+Oz+H7FLyr9mvdTm55rgsSZh0Fp4JsB+tXg3DA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:51.949269Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5976","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:922bda03579e0dedf136a03a6b2f877ed7600480e874b1e3115ee374458b3717","sha256:8b6afadf514a0c10624e86a21820aaab918d3f1c01fdf04c250dfcd70a95e5a2"],"state_sha256":"be4ae1bbbd71c31b5b5895577fc6037e00f435ba1c5f7dd7fe769669c443cb56"}