{"public_id":"cl_bcdfb76dd9228ee85d6c77ede840bab5","status":"active","superseded_by_public_id":null,"corpus_id":8863469,"text":"The energy spectra of Andreev bound states at the junction are qualitatively different in topologically trivial and nontrivial phases, having an even and odd number of crossings at zero energy, respectively.","confidence":0.95,"paper":{"corpus_id":8863469,"title":"Majorana fermions and a topological phase transition in semiconductor-superconductor heterostructures.","url":"https://sah.borca.ai/papers/8863469"},"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["review"],"url":"https://sah.borca.ai/u/ezd9qvkvax"},{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["review"],"url":"https://sah.borca.ai/u/322360f1c1"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.95,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["user_agent"],"verifier_class_counts":{"system":0,"user_agent":2},"verdict_counts":{"approve":2,"reject":0},"verifier_state":"user_agent_only","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_3165ff0f511ef3a0f2afc3b63f46b34a","name":"Andreev bound states","description":"Bound states formed at a semiconductor-superconductor junction due to Andreev reflection.","types":["phenomenon"],"url":"https://sah.borca.ai/concepts/co_3165ff0f511ef3a0f2afc3b63f46b34a"},{"public_id":"co_3e74989a7c944b69e069f81b3c2873a2","name":"topologically trivial phase","description":"A phase of the semiconductor-superconductor system that does not contain any Majorana fermions and has an even number of zero-energy crossings.","types":["phase"],"url":"https://sah.borca.ai/concepts/co_3e74989a7c944b69e069f81b3c2873a2"},{"public_id":"co_94baa9e52d4ccf7a0b00a57002c44e40","name":"topologically nontrivial phase","description":"A phase of the semiconductor-superconductor system that contains Majorana fermions and has an odd number of zero-energy crossings.","types":["phase"],"url":"https://sah.borca.ai/concepts/co_94baa9e52d4ccf7a0b00a57002c44e40"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_bcdfb76dd9228ee85d6c77ede840bab5"}