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The low-energy physics of the undoped system and of the single hole sector is described by a systematic low-energy effective field theory. The staggered magnetization per spin $\\widetilde{{\\cal M}}_s = 0.2688(3)$, the spin stiffness $\\rho_s = 0.102(2) J$, the spin wave velocity $c= 1.297(16) J a$, and the kinetic mass $M'$ of a hole are obtained by fitting the numer"},"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":"0807.2977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-07-18T13:47:09Z","cross_cats_sorted":["hep-lat"],"title_canon_sha256":"d5c78766f1096dafc0036b14688d2cf781351c06c9fe9c0ffcd53b466c61df55","abstract_canon_sha256":"ed613b27a8dedce9eefcb9f9ce357e0add488e2bb17f64b4dfc484b405b14300"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:42.851364Z","signature_b64":"FmCponRGGHPpdCIBMfzhyFlyec9rfBISKiqUHtUkigH20dNU4XmVF2kNPFJ4GPYSACFGPrrqNbbmurqVjID6CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5dffff3f88f08886128194ffb9386f4b92879142fcc37c1f054717eff8a886eb","last_reissued_at":"2026-05-18T03:24:42.850655Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:42.850655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Loop-Cluster Simulation of the $t$-$J$ Model on the Honeycomb Lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat"],"primary_cat":"cond-mat.str-el","authors_text":"F.-J. 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