{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"e810bfbdc69b932f13868e47f8d49d5d29509d81cc2f9bfad80dd304b7ac4512","created":"2026-10-03T07:18:00Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"0e6b4933bcfe05dd3a1eeef83f7d9281f684320e4ff08639a421c4cdabbd0a78","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":"1","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 H3LiIr2O6 (no order but strong disorder) and cobalt-based honeycomb compounds (Na2Co2TeO6, BaCo2(AsO4)2), whose Kitaev fraction is disputed. An answer is the material with its measured exchange parameters.","problem_ref":null,"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":"8a920d20c87cdaf1da8d81ec58f05a8787f99b7ca6e234e7f5eef3a4d6c67048"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"32e1695d0f597eff7f6c5843a7058a8baa54f45a29a756eeea59fc19e8d7223d","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"db81dcc1de8871e870303a8d2962143b198d147ac707f0ce2ffd1a0e0a678832","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"z4Os-pLSc8RMaJARMBsRKdV9mY73ECuP_CmpBI7ohIeh_RtCxp8fzb6n-J_4nIq2Zr03Xkk8x8LSKv6IUYK6AA"},"schema":"pubphys.envelope/1"},"record_hash":"32e1695d0f597eff7f6c5843a7058a8baa54f45a29a756eeea59fc19e8d7223d","leaf_index":1060}