{"total":1,"items":[{"citing_arxiv_id":"2605.15099","ref_index":56,"ref_count":1,"confidence":0.55,"is_internal_anchor":false,"paper_title":"Two Protons, Two Positrons, and Four Electrons: Covalent Bond with van der Waals Characteristics","primary_cat":"physics.chem-ph","submitted_at":"2026-05-14T17:19:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Positrons in the PsH dimer form a delocalized molecular orbital producing covalent-like bonding between hydrogen anions with van der Waals bond strength.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}