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For (d+1)-dimensional conformal field theories, the Renyi entropies across S^{d-1} may be extracted from the thermal partition functions of these theories on either (d+1)-dimensional de Sitter space or R x H^d, where H^d is the d-dimensional hyperbolic space. These thermal partition functions can in turn be expressed as path integrals on branched coverings of the (d+1)-dimensional sphere and S^1 x H^d, respectively. We calculate the Ren"},"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":"1111.6290","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-11-27T19:30:52Z","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"46222bad1e15a2acea2038be7e2a3af4fa83d4535d94a7546a5d0c80280bcf11","abstract_canon_sha256":"acbcb64fc535c898e42590de8204940a34b021fb2e88aa355d10346934b2bf63"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:55:46.787651Z","signature_b64":"ZV4HVnGUJ6aDyGaH1eRTnfgjsj3Cr6VSLRouSgwsLlFLk6CFag1biqh4Q9sIB8xXOLfJ1u7yLo2hr6HHIdt6Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"093fea51012cd560fe88172f2b71c0e5c651bd200efd37043d4ee82d7f72418e","last_reissued_at":"2026-05-18T03:55:46.787061Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:55:46.787061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Renyi Entropies for Free Field Theories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","quant-ph"],"primary_cat":"hep-th","authors_text":"Benjamin R. Safdi, Igor R. Klebanov, Silviu S. Pufu, Subir Sachdev","submitted_at":"2011-11-27T19:30:52Z","abstract_excerpt":"Renyi entropies S_q are useful measures of quantum entanglement; they can be calculated from traces of the reduced density matrix raised to power q, with q>=0. For (d+1)-dimensional conformal field theories, the Renyi entropies across S^{d-1} may be extracted from the thermal partition functions of these theories on either (d+1)-dimensional de Sitter space or R x H^d, where H^d is the d-dimensional hyperbolic space. These thermal partition functions can in turn be expressed as path integrals on branched coverings of the (d+1)-dimensional sphere and S^1 x H^d, respectively. 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