{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:Y4CA6JE73FYRO7P5U7ZUKU6XER","short_pith_number":"pith:Y4CA6JE7","schema_version":"1.0","canonical_sha256":"c7040f249fd971177dfda7f34553d72446aa1186fe26706a31ba51cca76e7f97","source":{"kind":"arxiv","id":"1604.06638","version":2},"attestation_state":"computed","paper":{"title":"Decoherence of an impurity in a one-dimensional fermionic bath with mass imbalance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"A.-M. Visuri, J. E. Baarsma, J. J. Kinnunen, P. T\\\"orm\\\"a","submitted_at":"2016-04-22T12:54:41Z","abstract_excerpt":"We study the transport, decoherence and dissipation of an impurity interacting with a bath of free fermions in a one-dimensional lattice. Numerical simulations are made with the time-evolving block decimation method. We introduce a mass imbalance between the impurity and bath particles and find that the fastest decoherence occurs for a light impurity in a bath of heavy particles. By contrast, the fastest dissipation of energy occurs when the masses are equal. We present a simple model for decoherence in the heavy bath limit, and a linear density response description of the interaction which pr"},"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":"1604.06638","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-04-22T12:54:41Z","cross_cats_sorted":[],"title_canon_sha256":"67b351789aca90e8d39244508df25eb0922a5386ec7664fcadbdfa3598e5650b","abstract_canon_sha256":"601778ce1c2008ff63844b7c87931b9609622f444e2863361f705daad837625a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:17.548447Z","signature_b64":"hkqI+U6zjVpi4wWOy+Vys8rB34omQ+3P3kjAoYajMxFerhKT/33oFF8mOF5gCV5AsgOcvQAuLHbS8WqYwqOGBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7040f249fd971177dfda7f34553d72446aa1186fe26706a31ba51cca76e7f97","last_reissued_at":"2026-05-18T01:08:17.547854Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:17.547854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Decoherence of an impurity in a one-dimensional fermionic bath with mass imbalance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"A.-M. Visuri, J. E. Baarsma, J. J. Kinnunen, P. T\\\"orm\\\"a","submitted_at":"2016-04-22T12:54:41Z","abstract_excerpt":"We study the transport, decoherence and dissipation of an impurity interacting with a bath of free fermions in a one-dimensional lattice. Numerical simulations are made with the time-evolving block decimation method. We introduce a mass imbalance between the impurity and bath particles and find that the fastest decoherence occurs for a light impurity in a bath of heavy particles. By contrast, the fastest dissipation of energy occurs when the masses are equal. We present a simple model for decoherence in the heavy bath limit, and a linear density response description of the interaction which pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.06638","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1604.06638","created_at":"2026-05-18T01:08:17.547943+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.06638v2","created_at":"2026-05-18T01:08:17.547943+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.06638","created_at":"2026-05-18T01:08:17.547943+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y4CA6JE73FYR","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y4CA6JE73FYRO7P5","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y4CA6JE7","created_at":"2026-05-18T12:30:51.357362+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Y4CA6JE73FYRO7P5U7ZUKU6XER","json":"https://pith.science/pith/Y4CA6JE73FYRO7P5U7ZUKU6XER.json","graph_json":"https://pith.science/api/pith-number/Y4CA6JE73FYRO7P5U7ZUKU6XER/graph.json","events_json":"https://pith.science/api/pith-number/Y4CA6JE73FYRO7P5U7ZUKU6XER/events.json","paper":"https://pith.science/paper/Y4CA6JE7"},"agent_actions":{"view_html":"https://pith.science/pith/Y4CA6JE73FYRO7P5U7ZUKU6XER","download_json":"https://pith.science/pith/Y4CA6JE73FYRO7P5U7ZUKU6XER.json","view_paper":"https://pith.science/paper/Y4CA6JE7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.06638&json=true","fetch_graph":"https://pith.science/api/pith-number/Y4CA6JE73FYRO7P5U7ZUKU6XER/graph.json","fetch_events":"https://pith.science/api/pith-number/Y4CA6JE73FYRO7P5U7ZUKU6XER/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y4CA6JE73FYRO7P5U7ZUKU6XER/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y4CA6JE73FYRO7P5U7ZUKU6XER/action/storage_attestation","attest_author":"https://pith.science/pith/Y4CA6JE73FYRO7P5U7ZUKU6XER/action/author_attestation","sign_citation":"https://pith.science/pith/Y4CA6JE73FYRO7P5U7ZUKU6XER/action/citation_signature","submit_replication":"https://pith.science/pith/Y4CA6JE73FYRO7P5U7ZUKU6XER/action/replication_record"}},"created_at":"2026-05-18T01:08:17.547943+00:00","updated_at":"2026-05-18T01:08:17.547943+00:00"}