{"paper":{"title":"Quantum advantage from negativity of a work quasiprobability distribution","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Negativity in a work quasiprobability distribution for many cells guarantees quantum advantage in battery charging.","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Gianluca Francica","submitted_at":"2025-03-23T15:41:33Z","abstract_excerpt":"Quantum batteries can be charged by performing a work ``instantaneously'' in the limit of a large number of cells, achieving a so-called quantum advantage. In general, the work exhibits statistics that can be represented by a quasiprobability in the presence of initial quantum coherence in the energy basis. Here we show that these two concepts of quantum thermodynamics, which apparently appear disconnected, can show a simple relation. Specifically, if a certain work distribution shows negativity asymptotically in the limit of a large number of cells and in a certain time interval, then we sure"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"if a certain work distribution shows negativity asymptotically in the limit of a large number of cells and in a certain time interval, then we surely get a quantum advantage in the charging process.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The work exhibits statistics that can be represented by a quasiprobability in the presence of initial quantum coherence in the energy basis (stated in the abstract as the general setting).","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Negativity in the large-N limit of work quasiprobability distributions guarantees quantum advantage in charging quantum batteries.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Negativity in a work quasiprobability distribution for many cells guarantees quantum advantage in battery charging.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"a29f1de4e5b08ecad5f683f93369174900c00ae7ec6631205141e490ea5257ad"},"source":{"id":"2503.18115","kind":"arxiv","version":8},"verdict":{"id":"c9e9ebae-6ea6-4085-87b8-aa75056105ac","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-22T22:11:18.326944Z","strongest_claim":"if a certain work distribution shows negativity asymptotically in the limit of a large number of cells and in a certain time interval, then we surely get a quantum advantage in the charging process.","one_line_summary":"Negativity in the large-N limit of work quasiprobability distributions guarantees quantum advantage in charging quantum batteries.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The work exhibits statistics that can be represented by a quasiprobability in the presence of initial quantum coherence in the energy basis (stated in the abstract as the general setting).","pith_extraction_headline":"Negativity in a work quasiprobability distribution for many cells guarantees quantum advantage in battery charging."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2503.18115/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"}