{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:XLEGW4R63D5SQ2X3MJRMRACFMD","short_pith_number":"pith:XLEGW4R6","schema_version":"1.0","canonical_sha256":"bac86b723ed8fb286afb6262c8804560cc43ff93cec36be270076161eb31c039","source":{"kind":"arxiv","id":"0712.1448","version":1},"attestation_state":"computed","paper":{"title":"Excitations in two-component Bose-gases","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Adrian Kleine, Corinna Kollath, Ian P. McCulloch, Thierry Giamarchi, Ulrich Schollwoeck","submitted_at":"2007-12-10T11:46:35Z","abstract_excerpt":"In this paper, we study a strongly correlated quantum system that has become amenable to experiment by the advent of ultracold bosonic atoms in optical lattices, a chain of two different bosonic constituents. Excitations in this system are first considered within the framework of bosonization and Luttinger liquid theory which are applicable if the Luttinger liquid parameters are determined numerically. The occurrence of a bosonic counterpart of fermionic spin-charge separation is signalled by a characteristic two-peak structure in the spectral functions found by dynamical DMRG in good agreemen"},"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":"0712.1448","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2007-12-10T11:46:35Z","cross_cats_sorted":[],"title_canon_sha256":"9861f7a025aad8971af029c92bb7c07e0d489a1baf0a6e645826e6abeaeb85ca","abstract_canon_sha256":"f632f137fac7958753fc1e61ba3bddded73b63ceca16f1057b5a290e55d6f24e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:07:10.682068Z","signature_b64":"C57S1er6KwywUcYRY0+oIc8fPkz48fjJZay5nOLmk6D7vYjLpkx4WO/3TnfokCTonsBATXCX/IWyGOl84UPkBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bac86b723ed8fb286afb6262c8804560cc43ff93cec36be270076161eb31c039","last_reissued_at":"2026-07-04T17:07:10.681646Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:07:10.681646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Excitations in two-component Bose-gases","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Adrian Kleine, Corinna Kollath, Ian P. McCulloch, Thierry Giamarchi, Ulrich Schollwoeck","submitted_at":"2007-12-10T11:46:35Z","abstract_excerpt":"In this paper, we study a strongly correlated quantum system that has become amenable to experiment by the advent of ultracold bosonic atoms in optical lattices, a chain of two different bosonic constituents. Excitations in this system are first considered within the framework of bosonization and Luttinger liquid theory which are applicable if the Luttinger liquid parameters are determined numerically. The occurrence of a bosonic counterpart of fermionic spin-charge separation is signalled by a characteristic two-peak structure in the spectral functions found by dynamical DMRG in good agreemen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.1448","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0712.1448/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"0712.1448","created_at":"2026-07-04T17:07:10.681704+00:00"},{"alias_kind":"arxiv_version","alias_value":"0712.1448v1","created_at":"2026-07-04T17:07:10.681704+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.1448","created_at":"2026-07-04T17:07:10.681704+00:00"},{"alias_kind":"pith_short_12","alias_value":"XLEGW4R63D5S","created_at":"2026-07-04T17:07:10.681704+00:00"},{"alias_kind":"pith_short_16","alias_value":"XLEGW4R63D5SQ2X3","created_at":"2026-07-04T17:07:10.681704+00:00"},{"alias_kind":"pith_short_8","alias_value":"XLEGW4R6","created_at":"2026-07-04T17:07:10.681704+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/XLEGW4R63D5SQ2X3MJRMRACFMD","json":"https://pith.science/pith/XLEGW4R63D5SQ2X3MJRMRACFMD.json","graph_json":"https://pith.science/api/pith-number/XLEGW4R63D5SQ2X3MJRMRACFMD/graph.json","events_json":"https://pith.science/api/pith-number/XLEGW4R63D5SQ2X3MJRMRACFMD/events.json","paper":"https://pith.science/paper/XLEGW4R6"},"agent_actions":{"view_html":"https://pith.science/pith/XLEGW4R63D5SQ2X3MJRMRACFMD","download_json":"https://pith.science/pith/XLEGW4R63D5SQ2X3MJRMRACFMD.json","view_paper":"https://pith.science/paper/XLEGW4R6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0712.1448&json=true","fetch_graph":"https://pith.science/api/pith-number/XLEGW4R63D5SQ2X3MJRMRACFMD/graph.json","fetch_events":"https://pith.science/api/pith-number/XLEGW4R63D5SQ2X3MJRMRACFMD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XLEGW4R63D5SQ2X3MJRMRACFMD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XLEGW4R63D5SQ2X3MJRMRACFMD/action/storage_attestation","attest_author":"https://pith.science/pith/XLEGW4R63D5SQ2X3MJRMRACFMD/action/author_attestation","sign_citation":"https://pith.science/pith/XLEGW4R63D5SQ2X3MJRMRACFMD/action/citation_signature","submit_replication":"https://pith.science/pith/XLEGW4R63D5SQ2X3MJRMRACFMD/action/replication_record"}},"created_at":"2026-07-04T17:07:10.681704+00:00","updated_at":"2026-07-04T17:07:10.681704+00:00"}