{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:4CRIKGQMFC445DELR2COKAQWEE","short_pith_number":"pith:4CRIKGQM","schema_version":"1.0","canonical_sha256":"e0a2851a0c28b9ce8c8b8e84e50216210d57c0138b76777475f1937f5d3ba7e3","source":{"kind":"arxiv","id":"2607.15578","version":1},"attestation_state":"computed","paper":{"title":"Hot-Carrier Distribution Spectroscopy by Transconductance in Two-Dimensional Field-Effect Transistors","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Katsunori Wakabayashi","submitted_at":"2026-07-17T02:45:46Z","abstract_excerpt":"The transconductance $g_m = dI_D/dV_G$ of a field-effect transistor (FET) is conventionally read as a proxy for carrier density. We show that it is instead a spectroscopic probe of the carrier distribution: because $g_m$ weights the spectral current $j(E)$ by the gate-voltage derivative $\\partial f(E)/\\partial V_G$ and integrates over energy, it is sensitive to the \\emph{shape} of $f(E)$, not merely its integrated weight $n$. We develop an energy-resolved transport framework for two-dimensional (2D) FETs and, within a gate-independent spectral-kernel approximation, derive the decomposition $g_"},"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":"2607.15578","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-07-17T02:45:46Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"a5807bd02b6eab89798e9f099775dbea8200dcaa81b192e009202439fa210ade","abstract_canon_sha256":"74f5916835f6aa961672b9e9ef6979c3155d951ad207a05d34c489733fc8365c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-20T00:18:41.261852Z","signature_b64":"XmkL+YheQ4uzlfm7d2p73RQpGuHMrIXRtXhmdJgjw9Gt1DhSQ6NGkmK8HSEfh7Zb9pHj9pTM45mPRMA16wfFAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0a2851a0c28b9ce8c8b8e84e50216210d57c0138b76777475f1937f5d3ba7e3","last_reissued_at":"2026-07-20T00:18:41.260970Z","signature_status":"signed_v1","first_computed_at":"2026-07-20T00:18:41.260970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hot-Carrier Distribution Spectroscopy by Transconductance in Two-Dimensional Field-Effect Transistors","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Katsunori Wakabayashi","submitted_at":"2026-07-17T02:45:46Z","abstract_excerpt":"The transconductance $g_m = dI_D/dV_G$ of a field-effect transistor (FET) is conventionally read as a proxy for carrier density. We show that it is instead a spectroscopic probe of the carrier distribution: because $g_m$ weights the spectral current $j(E)$ by the gate-voltage derivative $\\partial f(E)/\\partial V_G$ and integrates over energy, it is sensitive to the \\emph{shape} of $f(E)$, not merely its integrated weight $n$. We develop an energy-resolved transport framework for two-dimensional (2D) FETs and, within a gate-independent spectral-kernel approximation, derive the decomposition $g_"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.15578","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.15578/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2607.15578","created_at":"2026-07-20T00:18:41.261423+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.15578v1","created_at":"2026-07-20T00:18:41.261423+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.15578","created_at":"2026-07-20T00:18:41.261423+00:00"},{"alias_kind":"pith_short_12","alias_value":"4CRIKGQMFC44","created_at":"2026-07-20T00:18:41.261423+00:00"},{"alias_kind":"pith_short_16","alias_value":"4CRIKGQMFC445DEL","created_at":"2026-07-20T00:18:41.261423+00:00"},{"alias_kind":"pith_short_8","alias_value":"4CRIKGQM","created_at":"2026-07-20T00:18:41.261423+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/4CRIKGQMFC445DELR2COKAQWEE","json":"https://pith.science/pith/4CRIKGQMFC445DELR2COKAQWEE.json","graph_json":"https://pith.science/api/pith-number/4CRIKGQMFC445DELR2COKAQWEE/graph.json","events_json":"https://pith.science/api/pith-number/4CRIKGQMFC445DELR2COKAQWEE/events.json","paper":"https://pith.science/paper/4CRIKGQM"},"agent_actions":{"view_html":"https://pith.science/pith/4CRIKGQMFC445DELR2COKAQWEE","download_json":"https://pith.science/pith/4CRIKGQMFC445DELR2COKAQWEE.json","view_paper":"https://pith.science/paper/4CRIKGQM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.15578&json=true","fetch_graph":"https://pith.science/api/pith-number/4CRIKGQMFC445DELR2COKAQWEE/graph.json","fetch_events":"https://pith.science/api/pith-number/4CRIKGQMFC445DELR2COKAQWEE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4CRIKGQMFC445DELR2COKAQWEE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4CRIKGQMFC445DELR2COKAQWEE/action/storage_attestation","attest_author":"https://pith.science/pith/4CRIKGQMFC445DELR2COKAQWEE/action/author_attestation","sign_citation":"https://pith.science/pith/4CRIKGQMFC445DELR2COKAQWEE/action/citation_signature","submit_replication":"https://pith.science/pith/4CRIKGQMFC445DELR2COKAQWEE/action/replication_record"}},"created_at":"2026-07-20T00:18:41.261423+00:00","updated_at":"2026-07-20T00:18:41.261423+00:00"}