{"paper":{"title":"Massive relativistic particle model with spin from free two-twistor dynamics and its quantization","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Andrzej Frydryszak, Cesar Miquel-Espanya, Jerzy Lukierski, Jose A. de Azcarraga","submitted_at":"2005-10-19T07:07:03Z","abstract_excerpt":"We consider a relativistic particle model in an enlarged relativistic phase space M^{18} = (X_\\mu, P_\\mu, \\eta_\\alpha, \\oeta_\\dalpha, \\sigma_\\alpha, \\osigma_\\dalpha, e, \\phi), which is derived from the free two-twistor dynamics. The spin sector variables (\\eta_\\alpha, \\oeta_\\dalpha, \\sigma_\\alpha,\\ osigma_\\dalpha) satisfy two second class constraints and account for the relativistic spin structure, and the pair (e,\\phi) describes the electric charge sector. After introducing the Liouville one-form on M^{18}, derived by a non-linear transformation of the canonical Liouville one-form on the two-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0510161","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-th/0510161/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}