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For the lowest X_v we have studied, that is X_v = 1/256, we get T_0 = (0.15 \\pm 0.05) K, close to the temperatures at which a finite fraction of non-classical rotation"},"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":"1110.3988","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2011-10-18T14:19:53Z","cross_cats_sorted":[],"title_canon_sha256":"d3c06c0e66110476c67756d7581b5e47343c4973b88b2de76bc52723cb24bfb9","abstract_canon_sha256":"f919de586dc405cc4ee856717aca7d88cf1921cfb5d2aeed7a601c29d7ff4ff7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:09.268330Z","signature_b64":"DgKFw7vZZPzMy8v30s/nLZVGWjgiLbutleRcFCJVAb+b5qfnp0+D+3T8fCDLZcHumzXg3VncwvACLUEO3r1RBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"165c2bde63944bd3a93cb6376d5aebd6e8b878121c65d929d3708fae844c0ef3","last_reissued_at":"2026-05-18T02:00:09.267682Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:09.267682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Onset temperature of Bose-Einstein condensation in incommensurate solid 4He","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"Jordi Boronat, Riccardo Rota","submitted_at":"2011-10-18T14:19:53Z","abstract_excerpt":"The temperature dependence of the one-body density matrix in 4He crystals presenting vacancies is computed with Path Integral Monte Carlo. 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