{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:I4YTOUVAFTJXYX5EAV4N6LISSC","short_pith_number":"pith:I4YTOUVA","canonical_record":{"source":{"id":"1511.07890","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-11-24T21:21:22Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"ac157812a9d230e736ca78b00cdf491aa7095087c14b482d5af09dd0444f490a","abstract_canon_sha256":"be59ed5552bca1efb2cbb50267b15d2b9f6b3a5320c1ae38600d065843fee575"},"schema_version":"1.0"},"canonical_sha256":"47313752a02cd37c5fa40578df2d1290acedbe301cab45a8d970ee49917728ae","source":{"kind":"arxiv","id":"1511.07890","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.07890","created_at":"2026-05-18T00:59:42Z"},{"alias_kind":"arxiv_version","alias_value":"1511.07890v3","created_at":"2026-05-18T00:59:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.07890","created_at":"2026-05-18T00:59:42Z"},{"alias_kind":"pith_short_12","alias_value":"I4YTOUVAFTJX","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"I4YTOUVAFTJXYX5E","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"I4YTOUVA","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:I4YTOUVAFTJXYX5EAV4N6LISSC","target":"record","payload":{"canonical_record":{"source":{"id":"1511.07890","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-11-24T21:21:22Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"ac157812a9d230e736ca78b00cdf491aa7095087c14b482d5af09dd0444f490a","abstract_canon_sha256":"be59ed5552bca1efb2cbb50267b15d2b9f6b3a5320c1ae38600d065843fee575"},"schema_version":"1.0"},"canonical_sha256":"47313752a02cd37c5fa40578df2d1290acedbe301cab45a8d970ee49917728ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:42.206701Z","signature_b64":"KroBgieNNMmex3wxt93BipjGGkXyX1euOnQsiOmks897WUaeOzMZcJeYOpAOcQDHa0dPv/RqfyMv87I13nOACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47313752a02cd37c5fa40578df2d1290acedbe301cab45a8d970ee49917728ae","last_reissued_at":"2026-05-18T00:59:42.206041Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:42.206041Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.07890","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:59:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uOUbEaDXODMVDtyQ/Uv3P8RbzkyDv04ak9nVqLLFxOEhBo91sXanJ9Lo/UGvuZr498CXkrb2usBwOKJ7GYBIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:20:54.974269Z"},"content_sha256":"b8f4902c09cdc339df20eae63f22e34c095711246279c960372ad72300880f16","schema_version":"1.0","event_id":"sha256:b8f4902c09cdc339df20eae63f22e34c095711246279c960372ad72300880f16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:I4YTOUVAFTJXYX5EAV4N6LISSC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\eta$-pairing superfluid in periodically-driven fermionic Hubbard model with strong attraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.quant-gas","authors_text":"Hideo Aoki, Sota Kitamura","submitted_at":"2015-11-24T21:21:22Z","abstract_excerpt":"We propose a novel possibility of dynamically changing the pairing of superconductors from $s$ wave to $\\eta$ pairing (where the pairs condense at the Brillouin-zone corner momenta) by driving the system with ac fields. We consider a periodically-driven attractive Hubbard model in the strong-coupling regime, and show that the pair-hopping and pair-repulsion terms in the effective Hamiltonian in the Floquet formalism are drastically renormalized in different manners between the two terms, which can change the ground states from an $s$-wave superconductivity to an $\\eta$-pairing superconductivit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.07890","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:59:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YvaUKEBAHYXiE9cgfJ75ttXEUfhgq8VCFHK1wUoalmUIDoVhgXP6KhS/xxeFX6oyE8w6k9l7p6ApxzfwsfcTCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:20:54.974907Z"},"content_sha256":"bdf0fb20fd47f3e18a905006ae550fe020dcf2004c8926852ca2cfc95f701b4d","schema_version":"1.0","event_id":"sha256:bdf0fb20fd47f3e18a905006ae550fe020dcf2004c8926852ca2cfc95f701b4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I4YTOUVAFTJXYX5EAV4N6LISSC/bundle.json","state_url":"https://pith.science/pith/I4YTOUVAFTJXYX5EAV4N6LISSC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I4YTOUVAFTJXYX5EAV4N6LISSC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T10:20:54Z","links":{"resolver":"https://pith.science/pith/I4YTOUVAFTJXYX5EAV4N6LISSC","bundle":"https://pith.science/pith/I4YTOUVAFTJXYX5EAV4N6LISSC/bundle.json","state":"https://pith.science/pith/I4YTOUVAFTJXYX5EAV4N6LISSC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I4YTOUVAFTJXYX5EAV4N6LISSC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:I4YTOUVAFTJXYX5EAV4N6LISSC","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":"be59ed5552bca1efb2cbb50267b15d2b9f6b3a5320c1ae38600d065843fee575","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-11-24T21:21:22Z","title_canon_sha256":"ac157812a9d230e736ca78b00cdf491aa7095087c14b482d5af09dd0444f490a"},"schema_version":"1.0","source":{"id":"1511.07890","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.07890","created_at":"2026-05-18T00:59:42Z"},{"alias_kind":"arxiv_version","alias_value":"1511.07890v3","created_at":"2026-05-18T00:59:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.07890","created_at":"2026-05-18T00:59:42Z"},{"alias_kind":"pith_short_12","alias_value":"I4YTOUVAFTJX","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"I4YTOUVAFTJXYX5E","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"I4YTOUVA","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:bdf0fb20fd47f3e18a905006ae550fe020dcf2004c8926852ca2cfc95f701b4d","target":"graph","created_at":"2026-05-18T00:59:42Z","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 propose a novel possibility of dynamically changing the pairing of superconductors from $s$ wave to $\\eta$ pairing (where the pairs condense at the Brillouin-zone corner momenta) by driving the system with ac fields. We consider a periodically-driven attractive Hubbard model in the strong-coupling regime, and show that the pair-hopping and pair-repulsion terms in the effective Hamiltonian in the Floquet formalism are drastically renormalized in different manners between the two terms, which can change the ground states from an $s$-wave superconductivity to an $\\eta$-pairing superconductivit","authors_text":"Hideo Aoki, Sota Kitamura","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-11-24T21:21:22Z","title":"$\\eta$-pairing superfluid in periodically-driven fermionic Hubbard model with strong attraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.07890","kind":"arxiv","version":3},"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:b8f4902c09cdc339df20eae63f22e34c095711246279c960372ad72300880f16","target":"record","created_at":"2026-05-18T00:59:42Z","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":"be59ed5552bca1efb2cbb50267b15d2b9f6b3a5320c1ae38600d065843fee575","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-11-24T21:21:22Z","title_canon_sha256":"ac157812a9d230e736ca78b00cdf491aa7095087c14b482d5af09dd0444f490a"},"schema_version":"1.0","source":{"id":"1511.07890","kind":"arxiv","version":3}},"canonical_sha256":"47313752a02cd37c5fa40578df2d1290acedbe301cab45a8d970ee49917728ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47313752a02cd37c5fa40578df2d1290acedbe301cab45a8d970ee49917728ae","first_computed_at":"2026-05-18T00:59:42.206041Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:59:42.206041Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KroBgieNNMmex3wxt93BipjGGkXyX1euOnQsiOmks897WUaeOzMZcJeYOpAOcQDHa0dPv/RqfyMv87I13nOACg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:59:42.206701Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.07890","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8f4902c09cdc339df20eae63f22e34c095711246279c960372ad72300880f16","sha256:bdf0fb20fd47f3e18a905006ae550fe020dcf2004c8926852ca2cfc95f701b4d"],"state_sha256":"4f06830964a32216f1fd742bca1bc4bf6575565949d4173012dfaf1581cb5e0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S47d9zmjbw7YKVsjOwVGpVG8YlVpUndiTBkhTauJNIvD6kabYaV5TkKvKAuogeqrGKhgCCNc6aXHcZxI+wVMDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T10:20:54.978356Z","bundle_sha256":"14fa16d77742ff0d2747d9a16364772f654097a45d840578d94fbeae6246383a"}}