{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:MOME5NJVT2L37COTTRWUPU7VST","short_pith_number":"pith:MOME5NJV","canonical_record":{"source":{"id":"1812.01787","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-05T02:26:27Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"a97a9a11228166562164451fda579fd0f82cfcc89180152b7a774d9a53cdc186","abstract_canon_sha256":"3dda53f2800c641c0b117184ab5b40136b19db19aee8403de16fdf1edc68f86b"},"schema_version":"1.0"},"canonical_sha256":"63984eb5359e97bf89d39c6d47d3f594d26a565bdefb7563fab0758585280c23","source":{"kind":"arxiv","id":"1812.01787","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.01787","created_at":"2026-05-17T23:56:44Z"},{"alias_kind":"arxiv_version","alias_value":"1812.01787v2","created_at":"2026-05-17T23:56:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01787","created_at":"2026-05-17T23:56:44Z"},{"alias_kind":"pith_short_12","alias_value":"MOME5NJVT2L3","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"MOME5NJVT2L37COT","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"MOME5NJV","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:MOME5NJVT2L37COTTRWUPU7VST","target":"record","payload":{"canonical_record":{"source":{"id":"1812.01787","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-05T02:26:27Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"a97a9a11228166562164451fda579fd0f82cfcc89180152b7a774d9a53cdc186","abstract_canon_sha256":"3dda53f2800c641c0b117184ab5b40136b19db19aee8403de16fdf1edc68f86b"},"schema_version":"1.0"},"canonical_sha256":"63984eb5359e97bf89d39c6d47d3f594d26a565bdefb7563fab0758585280c23","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:44.732264Z","signature_b64":"/63MdxaVUj3xdTWkKopB3eUVr2aSchuhcJ8vMoaBFdszlBxuIKeDXtQdrJFOwYk7PKeUEZiQNHPeHm4ZDqCTBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63984eb5359e97bf89d39c6d47d3f594d26a565bdefb7563fab0758585280c23","last_reissued_at":"2026-05-17T23:56:44.731858Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:44.731858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.01787","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:56:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gGu3Wf+Fho4cO+uzJrDj4Ty2quKpavpXN2+ukEu2QH9s3dSJHOZJqC8G7PK+s/JVNgbJvTf6poUjCz0KKeZsDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:28:07.307882Z"},"content_sha256":"a3312f373200f7a7d53083cc7488377e6a2a82126fd6939bb69f6e36aca2cbc1","schema_version":"1.0","event_id":"sha256:a3312f373200f7a7d53083cc7488377e6a2a82126fd6939bb69f6e36aca2cbc1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:MOME5NJVT2L37COTTRWUPU7VST","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Controlling stability of Bose-Einstein condensation of interacting magnons in an antiferromagnet by an external magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Naoya Arakawa","submitted_at":"2018-12-05T02:26:27Z","abstract_excerpt":"We propose a mechanism for destabilizing or stabilizing Bose-Einstein condensation (BEC) of interacting magnons in an antiferromagnet. We study how the interaction between magnons affects the magnon BEC in a two-sublattice antiferromagnet without and with an external magnetic field. We show that in the absence of the magnetic field the magnon BEC is destabilized by the attractive interband interaction, which is larger than the repulsive intraband interaction. We also show that in the presence of the magnetic field the magnon BEC is stabilized only if the magnetic field is large enough to make "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01787","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:56:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zxTl21a69xS8hBoZQLV5fMvxyRhC918J56WZj1vUeJ9m1nqcAC77IQqDnaLM4NHLtj8qWOnQ6eOGmkTpM8wxBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:28:07.308616Z"},"content_sha256":"b487639b99eec03eb2c117ab5f5704d9d81e19b0c6019021d35510228275bcd0","schema_version":"1.0","event_id":"sha256:b487639b99eec03eb2c117ab5f5704d9d81e19b0c6019021d35510228275bcd0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MOME5NJVT2L37COTTRWUPU7VST/bundle.json","state_url":"https://pith.science/pith/MOME5NJVT2L37COTTRWUPU7VST/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MOME5NJVT2L37COTTRWUPU7VST/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T23:28:07Z","links":{"resolver":"https://pith.science/pith/MOME5NJVT2L37COTTRWUPU7VST","bundle":"https://pith.science/pith/MOME5NJVT2L37COTTRWUPU7VST/bundle.json","state":"https://pith.science/pith/MOME5NJVT2L37COTTRWUPU7VST/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MOME5NJVT2L37COTTRWUPU7VST/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MOME5NJVT2L37COTTRWUPU7VST","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"3dda53f2800c641c0b117184ab5b40136b19db19aee8403de16fdf1edc68f86b","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-05T02:26:27Z","title_canon_sha256":"a97a9a11228166562164451fda579fd0f82cfcc89180152b7a774d9a53cdc186"},"schema_version":"1.0","source":{"id":"1812.01787","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.01787","created_at":"2026-05-17T23:56:44Z"},{"alias_kind":"arxiv_version","alias_value":"1812.01787v2","created_at":"2026-05-17T23:56:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01787","created_at":"2026-05-17T23:56:44Z"},{"alias_kind":"pith_short_12","alias_value":"MOME5NJVT2L3","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"MOME5NJVT2L37COT","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"MOME5NJV","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:b487639b99eec03eb2c117ab5f5704d9d81e19b0c6019021d35510228275bcd0","target":"graph","created_at":"2026-05-17T23:56:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We propose a mechanism for destabilizing or stabilizing Bose-Einstein condensation (BEC) of interacting magnons in an antiferromagnet. We study how the interaction between magnons affects the magnon BEC in a two-sublattice antiferromagnet without and with an external magnetic field. We show that in the absence of the magnetic field the magnon BEC is destabilized by the attractive interband interaction, which is larger than the repulsive intraband interaction. We also show that in the presence of the magnetic field the magnon BEC is stabilized only if the magnetic field is large enough to make ","authors_text":"Naoya Arakawa","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-05T02:26:27Z","title":"Controlling stability of Bose-Einstein condensation of interacting magnons in an antiferromagnet by an external magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01787","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a3312f373200f7a7d53083cc7488377e6a2a82126fd6939bb69f6e36aca2cbc1","target":"record","created_at":"2026-05-17T23:56:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"3dda53f2800c641c0b117184ab5b40136b19db19aee8403de16fdf1edc68f86b","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-05T02:26:27Z","title_canon_sha256":"a97a9a11228166562164451fda579fd0f82cfcc89180152b7a774d9a53cdc186"},"schema_version":"1.0","source":{"id":"1812.01787","kind":"arxiv","version":2}},"canonical_sha256":"63984eb5359e97bf89d39c6d47d3f594d26a565bdefb7563fab0758585280c23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63984eb5359e97bf89d39c6d47d3f594d26a565bdefb7563fab0758585280c23","first_computed_at":"2026-05-17T23:56:44.731858Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:44.731858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/63MdxaVUj3xdTWkKopB3eUVr2aSchuhcJ8vMoaBFdszlBxuIKeDXtQdrJFOwYk7PKeUEZiQNHPeHm4ZDqCTBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:44.732264Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.01787","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3312f373200f7a7d53083cc7488377e6a2a82126fd6939bb69f6e36aca2cbc1","sha256:b487639b99eec03eb2c117ab5f5704d9d81e19b0c6019021d35510228275bcd0"],"state_sha256":"1bc80591e23f213c21eb606931aa1d944870a29e00b1f7de164251d53486ead1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EvfdoZNuXZ8bF4CkWLvMgCQdHEatZx0pr2okcVE7Cj9pZVQiNT3YkI4B+A93mXl188QKyMoLjZRqzok04/3dBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:28:07.312177Z","bundle_sha256":"7ebe869a41397d4aae6ff20294bf261d2eec9fe889ea14e0543be4adb050b81a"}}