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This increases the spectral gap and accelerates the approach to steady state. As a result, this mechanism significantly enhances asymptotic charging power without relying on many-body collectivity or steady coherence."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"That the long-term dynamics remain confined to a low-dimensional manifold of slow Liouvillian modes and that tuning reservoir occupation and coupling strength to the exceptional point does not introduce additional decoherence channels or invalidate the Markovian description."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Tuning parameters in a three-level open quantum battery near a Liouvillian exceptional point widens the spectral gap and speeds charging to the steady state without needing collective effects or persistent coherence."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Tuning an open quantum battery to a Liouvillian exceptional point enlarges the spectral gap and accelerates charging to steady state."}],"snapshot_sha256":"0d1bcc91c3188499c1928ea688cffbedc19b8fa927a40b980c3b167b5faf7f59"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Quantum batteries, which use quantum systems to store and deliver energy,\n  are promising for next-generation energy storage. However, optimizing charging\n  strategies and understanding the interplay between dissipation and quantum\n  coherence remain open challenges. Here, we investigate steady-state charging\n  in an open quantum battery and demonstrate that the charging timescale depends\n  on the spectral gap of the Liouvillian operator governing dissipative dynamics.\n  As a minimal example, we examine a three-level quantum battery realized in\n  a single trapped ${}^{40}\\mathrm{Ca}^{+}$ ion, ","authors_text":"Chuan-Cun Shu, Hang Zhou, Jia-Wei Huang","cross_cats":[],"headline":"Tuning an open quantum battery to a Liouvillian exceptional point enlarges the spectral gap and accelerates charging to steady state.","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-13T01:23:34Z","title":"Liouvillian spectral control for fast charging of quantum batteries"},"references":{"count":75,"internal_anchors":0,"resolved_work":75,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"impedance-matching","work_id":"d1be9a26-608e-4b42-88a1-2b9c8cf57be4","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"R. Alicki and M. Fannes, Entanglement boost for ex- tractable work from ensembles of quantum batteries, Phys. Rev. E 87, 042123 (2013)","work_id":"6a268fd6-039e-4e13-83e6-b1d4c4ed06bd","year":2013},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"F. C. Binder, S. Vinjanampathy, K. Modi, and J. Goold, Quantacell: powerful charging of quantum batteries, New J. Phys. 17, 075015 (2015)","work_id":"1c0bf64e-6513-41a0-818f-4747e0a464b8","year":2015},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"F. Campaioli, F. A. Pollock, F. C. Binder, L. C´ eleri, J. G oold, S. Vinjanampathy, and K. Modi, Enhancing the charging power of quantum batteries, Phys. Rev. Lett. 118, 150601 (2017)","work_id":"45354a3f-ad79-4a95-8a94-da7f8c2aaf17","year":2017},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"D. Ferraro, M. Campisi, G. M. Andolina, V . Pellegrini, an d M. Polini, High-power collective charging of a solid-state quan- tum battery, Phys. Rev. Lett. 120, 117702 (2018)","work_id":"11db02af-1573-4270-a5b5-1632cf4c0c64","year":2018}],"snapshot_sha256":"026fb52df1113f0dec8abb2ae07b31ef4420028a4ccad572e85cdd48009b74f3"},"source":{"id":"2605.12867","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-14T19:11:15.267547Z","id":"f9eb4436-eeb8-4656-9e5f-7f4d9be2b701","model_set":{"reader":"grok-4.3"},"one_line_summary":"Tuning parameters in a three-level open quantum battery near a Liouvillian exceptional point widens the spectral gap and speeds charging to the steady state without needing collective effects or persistent coherence.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Tuning an open quantum battery to a Liouvillian exceptional point enlarges the spectral gap and accelerates charging to steady state.","strongest_claim":"By adjusting experimentally accessible parameters, such as reservoir occupation and coherent coupling strength, the non-Hermitian Liouvillian spectrum can approach an exceptional point. 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As a result, this mechanism significantly enhances asymptotic charging power without relying on many-body collectivity or steady coherence.","weakest_assumption":"That the long-term dynamics remain confined to a low-dimensional manifold of slow Liouvillian modes and that tuning reservoir occupation and coupling strength to the exceptional point does not introduce additional decoherence channels or invalidate the Markovian description."}},"verdict_id":"f9eb4436-eeb8-4656-9e5f-7f4d9be2b701"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:60b254526964e4d2ab01ca3ad4fdc4f0077378572bd32f276d409ab4b90470f3","target":"record","created_at":"2026-05-18T03:09:11Z","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":"00afb67658a1adef3f09c8aaa3b755377be7c736a9b655539642e31ed5727fa4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-13T01:23:34Z","title_canon_sha256":"8e0bd0a3f8ffcd6dcfb0817bb8c66cf98a74abdceea00b7d05b65ff391e63f73"},"schema_version":"1.0","source":{"id":"2605.12867","kind":"arxiv","version":1}},"canonical_sha256":"7183235f6ed5b8abe988ceb2799dcc0950a5bb8f80aa3fb165254d3279bf5510","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7183235f6ed5b8abe988ceb2799dcc0950a5bb8f80aa3fb165254d3279bf5510","first_computed_at":"2026-05-18T03:09:11.438251Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:09:11.438251Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oEDG63TRFG3Ujz0WW/huY94XVSyDJeSEUKIfk/Odxw08wy9eKDuL0sPrmPppZwefa7SQaaFu9gtLMgsRaaOuAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:09:11.438927Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.12867","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:60b254526964e4d2ab01ca3ad4fdc4f0077378572bd32f276d409ab4b90470f3","sha256:1cfe1421c9143cd921c3c09306512afc3dd48f9f0ff61ac9c675e70ad3d97973"],"state_sha256":"b0e24b0cfa033f8c9d2e0046e3b6abacfcf34b99835710b19be6315f23fbedd1"}