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The superconducting transition temperature (Tc) for the slow-cooled and that for the fast-cooled processes were respectively found to be close to the two intrinsic Tc's: One at 30 K and the other at 15 K.  Direct comparison with our previous results and other far-IR and Raman studies on single crystalline La2-xSrxCuO4, we conclude that the topology of the pristine electronic phases that are responsible for the two intrinsic Tc's is holes ar"},"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":"1004.5374","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-04-29T19:54:22Z","cross_cats_sorted":[],"title_canon_sha256":"3c134ed461f48bd655e33fb9d33b139339c568505f93c86b475cb5837b926ca8","abstract_canon_sha256":"b6621a95705ec22a23a0300d0046b7e541682d70a1740ae0809b4f2382769d4e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:44.956522Z","signature_b64":"KD4cQtdqUwcDg0EuzX1f2EsxNJg9JBmYLe8/kuq+4pTvbJB7YdZsZ0Lmb/SUAmkA0JXc0SaO/pHRT2cqxNQlDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d91af745269d2f515d79263e498cd0623c36334b1dc1366c208c2fcbe022c9a4","last_reissued_at":"2026-05-18T02:07:44.955545Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:44.955545Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Far-infrared measurements of oxygen-doped polycrystalline La2CuO4.0315 superconductor under slow-cooled and fast-cooled conditions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"H. 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