{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:M7QBLGRLLN2DWXNP66LWJQ52PX","short_pith_number":"pith:M7QBLGRL","schema_version":"1.0","canonical_sha256":"67e0159a2b5b743b5daff79764c3ba7de4268b7493421ffb45b0839f412c6dc5","source":{"kind":"arxiv","id":"1509.02949","version":2},"attestation_state":"computed","paper":{"title":"Entanglement structure of the two-channel Kondo model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Abolfazl Bayat, Bedoor Alkurtass, Erik S. S{\\o}rensen, Henrik Johannesson, Ian Affleck, Karyn Le Hur, Pasquale Sodano, Sougato Bose","submitted_at":"2015-09-09T20:48:34Z","abstract_excerpt":"Two electronic channels competing to screen a single impurity spin, as in the two-channel Kondo model, are expected to generate a ground state with nontrivial entanglement structure. We exploit a spin-chain representation of the two-channel Kondo model to probe the ground-state block entropy, negativity, tangle, and Schmidt gap, using a density matrix renormalization group approach. In the presence of symmetric coupling to the two channels we confirm field-theory predictions for the boundary entropy difference, $\\ln (g_{UV}/g_{IR})=\\ln(2)/2$, between the ultraviolet and infrared limits and the"},"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":"1509.02949","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-09-09T20:48:34Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"18ab23728198e7573c413d6f7b925bf9ad3a435535511d131d2f5479265ff27b","abstract_canon_sha256":"4d3b7e427fca644fb3175d218e6a9e4b5430c5db349157f6ea166b90bd3682d8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:11.291231Z","signature_b64":"dBT8CaknzjSrUWChKPp47ziqhpc4zzcRPqQTiu5v554wfNvi/XbsdZuVh6DCNL3ytlgWX9bKztCHrRlEQVxZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67e0159a2b5b743b5daff79764c3ba7de4268b7493421ffb45b0839f412c6dc5","last_reissued_at":"2026-05-18T01:20:11.290537Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:11.290537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Entanglement structure of the two-channel Kondo model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Abolfazl Bayat, Bedoor Alkurtass, Erik S. S{\\o}rensen, Henrik Johannesson, Ian Affleck, Karyn Le Hur, Pasquale Sodano, Sougato Bose","submitted_at":"2015-09-09T20:48:34Z","abstract_excerpt":"Two electronic channels competing to screen a single impurity spin, as in the two-channel Kondo model, are expected to generate a ground state with nontrivial entanglement structure. We exploit a spin-chain representation of the two-channel Kondo model to probe the ground-state block entropy, negativity, tangle, and Schmidt gap, using a density matrix renormalization group approach. In the presence of symmetric coupling to the two channels we confirm field-theory predictions for the boundary entropy difference, $\\ln (g_{UV}/g_{IR})=\\ln(2)/2$, between the ultraviolet and infrared limits and the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02949","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":"1509.02949","created_at":"2026-05-18T01:20:11.290645+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.02949v2","created_at":"2026-05-18T01:20:11.290645+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02949","created_at":"2026-05-18T01:20:11.290645+00:00"},{"alias_kind":"pith_short_12","alias_value":"M7QBLGRLLN2D","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_16","alias_value":"M7QBLGRLLN2DWXNP","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_8","alias_value":"M7QBLGRL","created_at":"2026-05-18T12:29:32.376354+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/M7QBLGRLLN2DWXNP66LWJQ52PX","json":"https://pith.science/pith/M7QBLGRLLN2DWXNP66LWJQ52PX.json","graph_json":"https://pith.science/api/pith-number/M7QBLGRLLN2DWXNP66LWJQ52PX/graph.json","events_json":"https://pith.science/api/pith-number/M7QBLGRLLN2DWXNP66LWJQ52PX/events.json","paper":"https://pith.science/paper/M7QBLGRL"},"agent_actions":{"view_html":"https://pith.science/pith/M7QBLGRLLN2DWXNP66LWJQ52PX","download_json":"https://pith.science/pith/M7QBLGRLLN2DWXNP66LWJQ52PX.json","view_paper":"https://pith.science/paper/M7QBLGRL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.02949&json=true","fetch_graph":"https://pith.science/api/pith-number/M7QBLGRLLN2DWXNP66LWJQ52PX/graph.json","fetch_events":"https://pith.science/api/pith-number/M7QBLGRLLN2DWXNP66LWJQ52PX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M7QBLGRLLN2DWXNP66LWJQ52PX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M7QBLGRLLN2DWXNP66LWJQ52PX/action/storage_attestation","attest_author":"https://pith.science/pith/M7QBLGRLLN2DWXNP66LWJQ52PX/action/author_attestation","sign_citation":"https://pith.science/pith/M7QBLGRLLN2DWXNP66LWJQ52PX/action/citation_signature","submit_replication":"https://pith.science/pith/M7QBLGRLLN2DWXNP66LWJQ52PX/action/replication_record"}},"created_at":"2026-05-18T01:20:11.290645+00:00","updated_at":"2026-05-18T01:20:11.290645+00:00"}