{"paper":{"title":"Fidelity based unitary operation-induced quantum correlation for continuous-variable systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jinchuan Hou, Liang Liu, Xiaofei Qi","submitted_at":"2018-08-26T12:59:01Z","abstract_excerpt":"We propose a measure of nonclassical correlation $N_{\\mathcal F}^{\\mathcal G}$ in terms of local Gaussian unitary operations based on square of the fidelity $\\mathcal F$ for bipartite continuous-variable systems. This quantity is easier to calculate or estimate and is a remedy for the local ancilla problem associated with the geometric measurement-induced nonlocality. A simple computation formula of $N_{\\mathcal F}^{\\mathcal G}$ for any $(1+1)$-mode Gaussian states is presented and an estimation of $N_{\\mathcal F}^{\\mathcal G}$ for any $(n+m)$-mode Gaussian states is given. For any $(1+1)$-mod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.08546","kind":"arxiv","version":3},"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"}