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Yeh","submitted_at":"2011-07-04T18:25:18Z","abstract_excerpt":"We report scanning tunneling spectroscopic studies of cuprate and iron-arsenic superconductors, including YBa_2Cu_3O_{7-\\delta} (Y-123, T_c = 93 K), Sr_{0.9}La_{0.1}CuO_2 (La-112, T_c = 43 K), and the \"122\" compounds Ba(Fe_{1-x}Co_x)_2As_2 (Co-122 with x = 0.06, 0.08, 0.12 for T_c = 14, 24, 20 K). For H > 0, pseudogap (\\Delta_{PG}) features are revealed inside the vortices, with \\Delta_{PG} = [(\\Delta_{eff})^2+(\\Delta_{SC})^2]^{1/2} > \\Delta_{SC} in Y-123 and \\Delta_{PG} < \\Delta_{SC} in La-112, suggesting that the physical origin of \\Delta_{PG} is a competing order coexisting with superconduc"},"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":"1107.0697","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-04T18:25:18Z","cross_cats_sorted":[],"title_canon_sha256":"0a5cd5624b6687da75be61f8c0fd4a03f51bf8a5784fad6ed947eea63dc45cba","abstract_canon_sha256":"d9e15a28f7ad62d179718c600ef00193e158cc96d7c62f0f842afe171b759ff6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:58.575840Z","signature_b64":"pcSeZ27zlVZWapo7dBKU5gi6b2VRuKOZEQJ3Mw2LhtmQr8CjKhSSprMcxsnXWSDaXZqo0Aemai6MYRL3qt9HCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61e1ef36ea0cbbf48be1e0434ae497014275dcf0dcceb0978938315136d49471","last_reissued_at":"2026-05-18T01:55:58.575362Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:58.575362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Comparative studies of the scanning tunneling spectra in cuprate and iron-arsenide superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. 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