{"paper":{"title":"Characterizing electronic scattering rates with transport in multiterminal devices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Current partition in a five-terminal device diagnoses the ballistic-hydrodynamic-Ohmic crossover and extracts both momentum-relaxing and momentum-conserving scattering rates.","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"Andrew Lucas, Jack H. Farrell","submitted_at":"2026-05-04T18:02:03Z","abstract_excerpt":"Strongly interacting electrons in clean two-dimensional devices are theorized to exhibit many distinct transport regimes, such as ballistic, hydrodynamic, or diffusive. Realistic samples often lie in crossover regimes between these idealized limits. We show how a single experiment on a multiterminal device can distinguish these regimes and constrain the relevant scattering rates without space-resolved imaging. Using a linearized Boltzmann model in a five-terminal geometry, we find that current partition among the drain contacts diagnoses the ballistic-hydrodynamic-Ohmic crossover and allows ex"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"Using a linearized Boltzmann model in a five-terminal geometry, we find that current partition among the drain contacts diagnoses the ballistic-hydrodynamic-Ohmic crossover and allows extraction of momentum-relaxing and momentum-conserving scattering rates in the crossover regime.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The linearized Boltzmann transport equation remains quantitatively accurate across the ballistic-hydrodynamic-Ohmic crossover in the specific five-terminal geometry without higher-order corrections or non-local effects.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Current partition in a five-terminal geometry diagnoses ballistic-hydrodynamic-Ohmic crossovers and extracts momentum-relaxing and conserving scattering rates in 2D electron systems.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Current partition in a five-terminal device diagnoses the ballistic-hydrodynamic-Ohmic crossover and extracts both momentum-relaxing and momentum-conserving scattering rates.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"e75ff29849a013bb95aadb4c39c0b239fe156c520cd28a47ea10cf91de020b06"},"source":{"id":"2605.03030","kind":"arxiv","version":3},"verdict":{"id":"ea86bfdc-2ad7-4481-bd27-5b05c9aea923","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-14T21:39:35.953035Z","strongest_claim":"Using a linearized Boltzmann model in a five-terminal geometry, we find that current partition among the drain contacts diagnoses the ballistic-hydrodynamic-Ohmic crossover and allows extraction of momentum-relaxing and momentum-conserving scattering rates in the crossover regime.","one_line_summary":"Current partition in a five-terminal geometry diagnoses ballistic-hydrodynamic-Ohmic crossovers and extracts momentum-relaxing and conserving scattering rates in 2D electron systems.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The linearized Boltzmann transport equation remains quantitatively accurate across the ballistic-hydrodynamic-Ohmic crossover in the specific five-terminal geometry without higher-order corrections or non-local effects.","pith_extraction_headline":"Current partition in a five-terminal device diagnoses the ballistic-hydrodynamic-Ohmic crossover and extracts both momentum-relaxing and momentum-conserving scattering rates."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.03030/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"ai_meta_artifact","ran_at":"2026-05-20T14:39:25.608496Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"doi_title_agreement","ran_at":"2026-05-20T02:01:22.195040Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"doi_compliance","ran_at":"2026-05-19T15:47:20.443479Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"dd97e5ff5e144fd9eb0b908d8976bd53135df36c6cca27544e3c506ffb006d8b"},"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"}