{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:2FYGOPEK6G5TFAP74DOPKDJ7AL","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":"c9fc1ba2d885cf183d0954f65b43f504a98cdee40240153e8d7c8309d15fae7b","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.other","submitted_at":"2005-04-01T12:38:42Z","title_canon_sha256":"869d09e96903dc3057d4fc772932d81667f232830cd1e129aa5e4124b1eee33f"},"schema_version":"1.0","source":{"id":"cond-mat/0504021","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0504021","created_at":"2026-05-18T01:08:58Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0504021v2","created_at":"2026-05-18T01:08:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0504021","created_at":"2026-05-18T01:08:58Z"},{"alias_kind":"pith_short_12","alias_value":"2FYGOPEK6G5T","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"2FYGOPEK6G5TFAP7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"2FYGOPEK","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:ae509c35421e305866f97946ab4153a522226c7eadae3448a88579a6f92dbeb9","target":"graph","created_at":"2026-05-18T01:08:58Z","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":"We present a quantum description of a planar microcavity photon mode strongly coupled to a semiconductor intersubband transition in presence of a two-dimensional electron gas. We show that, in this kind of system, the vacuum Rabi frequency $\\Omega\\_R$ can be a significant fraction of the intersubband transition frequency $\\omega\\_{12}$. This regime of ultra-strong light-matter coupling is enhanced for long wavelength transitions, because for a given doping density, effective mass and number of quantum wells, the ratio $\\Omega\\_R/\\omega\\_{12}$ increases as the square root of the intersubband em","authors_text":"Cristiano Ciuti (LPA), G\\'erald Bastard (LPA), Iacopo Carusotto (CRS BEC-INFM)","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.other","submitted_at":"2005-04-01T12:38:42Z","title":"Quantum vacuum properties of the intersubband cavity polariton field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0504021","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":"sha256:54f697057cd661b8028e6f875094f5856bf7cd5c0709c4ed7b1ca27e8dfdee6c","target":"record","created_at":"2026-05-18T01:08:58Z","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":"c9fc1ba2d885cf183d0954f65b43f504a98cdee40240153e8d7c8309d15fae7b","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.other","submitted_at":"2005-04-01T12:38:42Z","title_canon_sha256":"869d09e96903dc3057d4fc772932d81667f232830cd1e129aa5e4124b1eee33f"},"schema_version":"1.0","source":{"id":"cond-mat/0504021","kind":"arxiv","version":2}},"canonical_sha256":"d170673c8af1bb3281ffe0dcf50d3f02e3543b41da629d4e319b4f8b4d77f27f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d170673c8af1bb3281ffe0dcf50d3f02e3543b41da629d4e319b4f8b4d77f27f","first_computed_at":"2026-05-18T01:08:58.454127Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:58.454127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+ModgRWMWNKVrv7vZj9cNn5bs968kKUvxLLFZ5QsbhWheh460qBBGkOlxhs9HDOFRugk7rxYuPFOGKnRj70WBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:58.454641Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0504021","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54f697057cd661b8028e6f875094f5856bf7cd5c0709c4ed7b1ca27e8dfdee6c","sha256:ae509c35421e305866f97946ab4153a522226c7eadae3448a88579a6f92dbeb9"],"state_sha256":"b3775e157321cbb0cca36c11bc854d833d54c855c59bf5d9c016cdc7a3467eeb"}