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Systematic measurements were carried out for six samples with different size and surface roughness. The power-law behavior, $\\Delta \\lambda(T) = A T^n$ was found for all samples with the average exponent $n_{avg} = 2.3 \\pm 0.1$ and the pre-factor $A_{avg} = 1.0 \\pm 0.2$ nm/K$^{2.3}$. The average superfluid density is well described by the self-consistent two-gap $\\gamma$ model resulting in $\\Delta_{_{I}}(0)/k_B"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1107.0711","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-04T19:51:00Z","cross_cats_sorted":[],"title_canon_sha256":"0168833fb0c7a72985cde64f817ea4bb81d28e1fc5800c3b64d9841f8632e65c","abstract_canon_sha256":"187e294533af78e7b251740e1295c10b56584b1e25fe20705eae72c6070dab8b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:07:19.546780Z","signature_b64":"K7PZ6hXzpeNjl8n2VVqA39PTMylADiUx89tePzb1cXApcEQtYvfVU5139ps+8r2MexichwYN3RHolKDY5YigBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fef49ae005c1d1a5393f98087c6bfa9a046010265b70934411d1ad1589cc4cc","last_reissued_at":"2026-05-18T04:07:19.546298Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:07:19.546298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"How robust the global measurements of London penetration depth are: the case of Fe(Te$_{1-x}$,Se$_{x}$)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"B. Qian, H. Kim, J. Hu, K. Cho, M. A. Tanatar, R. Prozorov, Z. Q. Mao","submitted_at":"2011-07-04T19:51:00Z","abstract_excerpt":"We report tunnel diode resonator measurements of in-plane London penetration depth, $\\lambda(T)$, in optimally-doped single crystals of Fe(Te$_{0.58}$Se$_{0.42}$) with $T_c\\sim$ 14.8 K. Systematic measurements were carried out for six samples with different size and surface roughness. The power-law behavior, $\\Delta \\lambda(T) = A T^n$ was found for all samples with the average exponent $n_{avg} = 2.3 \\pm 0.1$ and the pre-factor $A_{avg} = 1.0 \\pm 0.2$ nm/K$^{2.3}$. 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