{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:6NLFIE6VAHLSLFZL6FYPZU5HOB","short_pith_number":"pith:6NLFIE6V","schema_version":"1.0","canonical_sha256":"f3565413d501d725972bf170fcd3a7707cc19466c3b62558daacfc5214669eef","source":{"kind":"arxiv","id":"1505.03901","version":3},"attestation_state":"computed","paper":{"title":"Cosmological Particle Production at Strong Coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Mark Van Raamsdonk, Moshe Rozali, Mukund Rangamani","submitted_at":"2015-05-14T21:59:29Z","abstract_excerpt":"We study the dynamics of a strongly-coupled quantum field theory in a cosmological spacetime using the holographic AdS/CFT correspondence. Specifically we consider a confining gauge theory in an expanding FRW universe and track the evolution of the stress-energy tensor during a period of expansion, varying the initial temperature as well as the rate and amplitude of the expansion. At strong coupling, particle production is inseparable from entropy production. As a result, we find significant qualitative differences from the weak coupling results: at strong coupling the system rapidly loses mem"},"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":"1505.03901","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-14T21:59:29Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4e6a5d47c2bbd5baf1ce9894650c2365e243f2b16b2c29eca062f3ac448cb7ec","abstract_canon_sha256":"3f5c4a792830c49e7255e2879a9137b393a371c7ed3c240246ecdb8c7983a069"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:52.965654Z","signature_b64":"8MdYT0huMJQ4dCXjdu14BG8CU7CKdZMAppq2p2YTB+iChxXmurtHAPyeb3uk+XmFvk2eGz1WjCDa47JXGG5/Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3565413d501d725972bf170fcd3a7707cc19466c3b62558daacfc5214669eef","last_reissued_at":"2026-05-18T01:31:52.965208Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:52.965208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmological Particle Production at Strong Coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Mark Van Raamsdonk, Moshe Rozali, Mukund Rangamani","submitted_at":"2015-05-14T21:59:29Z","abstract_excerpt":"We study the dynamics of a strongly-coupled quantum field theory in a cosmological spacetime using the holographic AdS/CFT correspondence. Specifically we consider a confining gauge theory in an expanding FRW universe and track the evolution of the stress-energy tensor during a period of expansion, varying the initial temperature as well as the rate and amplitude of the expansion. At strong coupling, particle production is inseparable from entropy production. As a result, we find significant qualitative differences from the weak coupling results: at strong coupling the system rapidly loses mem"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03901","kind":"arxiv","version":3},"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":"1505.03901","created_at":"2026-05-18T01:31:52.965277+00:00"},{"alias_kind":"arxiv_version","alias_value":"1505.03901v3","created_at":"2026-05-18T01:31:52.965277+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03901","created_at":"2026-05-18T01:31:52.965277+00:00"},{"alias_kind":"pith_short_12","alias_value":"6NLFIE6VAHLS","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_16","alias_value":"6NLFIE6VAHLSLFZL","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_8","alias_value":"6NLFIE6V","created_at":"2026-05-18T12:29:07.941421+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.21408","citing_title":"Holographic complexity of conformal fields in global de Sitter spacetime","ref_index":71,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6NLFIE6VAHLSLFZL6FYPZU5HOB","json":"https://pith.science/pith/6NLFIE6VAHLSLFZL6FYPZU5HOB.json","graph_json":"https://pith.science/api/pith-number/6NLFIE6VAHLSLFZL6FYPZU5HOB/graph.json","events_json":"https://pith.science/api/pith-number/6NLFIE6VAHLSLFZL6FYPZU5HOB/events.json","paper":"https://pith.science/paper/6NLFIE6V"},"agent_actions":{"view_html":"https://pith.science/pith/6NLFIE6VAHLSLFZL6FYPZU5HOB","download_json":"https://pith.science/pith/6NLFIE6VAHLSLFZL6FYPZU5HOB.json","view_paper":"https://pith.science/paper/6NLFIE6V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1505.03901&json=true","fetch_graph":"https://pith.science/api/pith-number/6NLFIE6VAHLSLFZL6FYPZU5HOB/graph.json","fetch_events":"https://pith.science/api/pith-number/6NLFIE6VAHLSLFZL6FYPZU5HOB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6NLFIE6VAHLSLFZL6FYPZU5HOB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6NLFIE6VAHLSLFZL6FYPZU5HOB/action/storage_attestation","attest_author":"https://pith.science/pith/6NLFIE6VAHLSLFZL6FYPZU5HOB/action/author_attestation","sign_citation":"https://pith.science/pith/6NLFIE6VAHLSLFZL6FYPZU5HOB/action/citation_signature","submit_replication":"https://pith.science/pith/6NLFIE6VAHLSLFZL6FYPZU5HOB/action/replication_record"}},"created_at":"2026-05-18T01:31:52.965277+00:00","updated_at":"2026-05-18T01:31:52.965277+00:00"}