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An interesting adjacency structure appears and can be depicted in a sort of ``product'' of Dynkin diagrams of G and A_{k+l-1}. UV and IR limits are computed and reproduce the expected values for the central charges. For k->\\infty, l fixed we obtain the TBA of the G_l WZW model perturbed by J_a\\bar{J}_a, and for k,l->\\infty, k-l fixed, that of Principal Chiral model with WZ term at level k-l.","authors_text":"F.Ravanini","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1992-02-06T14:51:00Z","title":"Thermodynamic Bethe Ansatz for G_k x G_l / G_{k+l} Coset Models Perturbed by Their \\phi_{1,1,Adj} Operator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9202020","kind":"arxiv","version":1},"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":"sha256:9176c807716402f39ec4c2f20352cd640e9a9c4770dd74926f28b4e340a8c4d4","target":"record","created_at":"2026-07-04T15:55:19Z","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":"7f41445fd26826c8534c362447db3d1013a01b04e774901773f3ba826f04550f","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1992-02-06T14:51:00Z","title_canon_sha256":"48f4e918ff35f206f264007bd62f9e3c5a49b1f26c2fe16b2e4b0295212a24ba"},"schema_version":"1.0","source":{"id":"hep-th/9202020","kind":"arxiv","version":1}},"canonical_sha256":"8ece04446034879c44de64d25762369d27f736e563c09357ddbb2d3cce817d22","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ece04446034879c44de64d25762369d27f736e563c09357ddbb2d3cce817d22","first_computed_at":"2026-07-04T15:55:19.311000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:55:19.311000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aaWhJ5acCeQ7SRuw5EhBJjTKec6h+9TWQrFAumiwSJerud3Zzwhr7DhXthwzbawVrwYI8TCCDLBEf3qdiy6+Dg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:55:19.311362Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9202020","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9176c807716402f39ec4c2f20352cd640e9a9c4770dd74926f28b4e340a8c4d4","sha256:73e536b24779bbbc3542cf258932bd8d0940ad53977c5ef8dcc522f12f7cde5d"],"state_sha256":"9e0c31f68f882d612162001bc91111f936fe30edb61c04ffc32427eb81ba00f0"}