{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"4cd39a154d5e3679db2b1c34c287a0986e7397977f5ad297fd4cce893feea352","created":"2026-10-15T23:43:22Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["32e1695d0f597eff7f6c5843a7058a8baa54f45a29a756eeea59fc19e8d7223d","ce59fb6cd812fc05906d0c60a71c75ea22bc686bcf38e7c3ef7010834d98ee7b"],"salt":"6735d7fb8953cf144ed0f87d542e4290119c8953d5b2974e0ca190bf583c2fb1","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"identification","assisted_by":[],"external_id":"cm.kitaev-materials.zero-field-kitaev-material","kind":"well-posed","literature_status":"open","n":"2","parents":[],"plain":"All known Kitaev candidates either order magnetically at low temperature or are too disordered to tell. The goal is a real crystal whose ground state without any applied field is the Kitaev spin liquid.","posed_since":"2009","precise":"Identify a compound with bond-dependent Kitaev exchange $K$ dominant enough over Heisenberg $J$ and off-diagonal $\\Gamma$ terms to lie inside the Kitaev phase of the $J-K-\\Gamma$ model, showing no magnetic order or spin freezing down to $k_{\\mathrm{B}} T << \\mid K \\mid$ and fractionalized excitations confirmed spectroscopically. Candidates include $\\mathrm{H_3LiIr_2O_6}$ (no order but strong disorder) and cobalt-based honeycomb compounds ($\\mathrm{Na_2Co_2TeO_6}$, BaCo2(AsO4)2), whose Kitaev fraction is disputed. An answer is the material with its measured exchange parameters.","problem_ref":"32e1695d0f597eff7f6c5843a7058a8baa54f45a29a756eeea59fc19e8d7223d","references":"","settled_by":"A clean single crystal with exchange parameters inside the Kitaev phase, no order to the lowest temperature, and neutron and thermal-transport data consistent with Majorana and flux excitations.","status_note":"","title":"Find a material with a Kitaev spin-liquid ground state in zero field","topic_ref":null},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"4cae2b961fa0d36f03d4a67079029bb0c032a3e4cabfffbd489dcd1d7ab747b1","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"35c5cda1fcfcac68adf3830dfe843d7752d93786c140c2c79ff4f7ec75e1d247","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"vzfn1pJCS55rTVF_duw0hrMDsOvyFs4EeEsqY52sjkJuRwzHs0EQdqL_pS97wjoV92T3Wg5T7X90aEFFdytSBg"},"schema":"pubphys.envelope/1"},"record_hash":"4cae2b961fa0d36f03d4a67079029bb0c032a3e4cabfffbd489dcd1d7ab747b1","leaf_index":2902}