{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:TCZ7UAJOXMYMVOCJHSSHLZ7DKL","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":"559ec16776e3e24916e2777e4ec984f2381f284fa559305f0692607557a379f0","cross_cats_sorted":["cond-mat.str-el","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2022-04-14T14:19:58Z","title_canon_sha256":"28d21e17b63e13eeb68421b1e171956de134e83dc70293ce4ef0473b6d187a8a"},"schema_version":"1.0","source":{"id":"2204.06984","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.06984","created_at":"2026-07-05T04:55:51Z"},{"alias_kind":"arxiv_version","alias_value":"2204.06984v1","created_at":"2026-07-05T04:55:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.06984","created_at":"2026-07-05T04:55:51Z"},{"alias_kind":"pith_short_12","alias_value":"TCZ7UAJOXMYM","created_at":"2026-07-05T04:55:51Z"},{"alias_kind":"pith_short_16","alias_value":"TCZ7UAJOXMYMVOCJ","created_at":"2026-07-05T04:55:51Z"},{"alias_kind":"pith_short_8","alias_value":"TCZ7UAJO","created_at":"2026-07-05T04:55:51Z"}],"graph_snapshots":[{"event_id":"sha256:503e96485813c85fd099cc2e1037665c56875df25f88ae2ad541554bb2df7d43","target":"graph","created_at":"2026-07-05T04:55:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2204.06984/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Polaron quasiparticles are formed when a mobile impurity is coupled to the elementary excitations of a many-particle background. In the field of ultracold atoms, the study of the associated impurity problem has attracted a growing interest over the last fifteen years. Polaron quasiparticle properties are essential to our understanding of a variety of paradigmatic quantum many-body systems realized in ultracold atomic gases and in the solid state, from imbalanced Bose-Fermi and Fermi-Fermi mixtures to fermionic Hubbard models. In this topical review, we focus on the so-called repulsive polaron ","authors_text":"Francesco Scazza, Jesper Levinsen, Matteo Zaccanti, Meera M. Parish, Pietro Massignan","cross_cats":["cond-mat.str-el","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2022-04-14T14:19:58Z","title":"Repulsive Fermi and Bose Polarons in Quantum Gases"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.06984","kind":"arxiv","version":1},"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":"sha256:63c49e4ea8cf85c9bd196dde3094d900443e24aa650811dcf232a33e7de44fc3","target":"record","created_at":"2026-07-05T04:55:51Z","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":"559ec16776e3e24916e2777e4ec984f2381f284fa559305f0692607557a379f0","cross_cats_sorted":["cond-mat.str-el","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2022-04-14T14:19:58Z","title_canon_sha256":"28d21e17b63e13eeb68421b1e171956de134e83dc70293ce4ef0473b6d187a8a"},"schema_version":"1.0","source":{"id":"2204.06984","kind":"arxiv","version":1}},"canonical_sha256":"98b3fa012ebb30cab8493ca475e7e352f073f102bec1fa31ac7f8ae017b9dc6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98b3fa012ebb30cab8493ca475e7e352f073f102bec1fa31ac7f8ae017b9dc6e","first_computed_at":"2026-07-05T04:55:51.844398Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:55:51.844398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xTjbH9nG7FoyWL3opN11zZoMY+VN3gWrvvK8mj42zgchvz30P9pmJLoyGArAoEvuSXlJzoamh6m2GXRTmLFXAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:55:51.844848Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.06984","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63c49e4ea8cf85c9bd196dde3094d900443e24aa650811dcf232a33e7de44fc3","sha256:503e96485813c85fd099cc2e1037665c56875df25f88ae2ad541554bb2df7d43"],"state_sha256":"a2ba9220eeacafdc8e5216dfc99a17d23a7af8388a51da50b5c75b558bb8ef25"}