{"paper":{"title":"Symmetry of the superconducting gap in $HgBa_{2}CaCu_{2}O_{6+\\delta}$ single crystals from electronic Raman scattering","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"A. Sacuto, D. Colson, N. Bontemps, P. Monod, R. Combescot, V. Viallet","submitted_at":"1996-09-13T11:46:20Z","abstract_excerpt":"Pure electronic Raman spectra with no phonon structures superimposed to the electronic continuum, are reported for the first time, in optimally doped $HgBa_{2}CaCu_{2}O_{6+\\delta } $ single crystals $(T_{c }=126 $ K). Our low temperature spectra (15 K) for the $A_{1g}$, $B_{1g} $ and $B_{2g} $ symmetries exhibit striking differences with previous data in $Bi_{2}Sr_{2}CaCu_{2}O_{8+\\delta }. $ The shape of the spectra for the various symmetries cannot be fitted by Devereaux's $d_{x^{2}-y^{2}} $ calculations, but strongly suggests a $d_{x y } $ gap, with its minima in the [100] and [010] directio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9609121","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"}