{"id":"W4391448163","doi":"10.22331/q-2024-02-01-1239","title":"Hamiltonian variational ansatz without barren plateaus","year":2024,"lang":"en","type":"article","venue":"Quantum","topic":"Algebraic structures and combinatorial models","field":"Mathematics","cited_by":65,"is_retracted":false,"has_abstract":true,"ca_institutions":"Xanadu Quantum Technologies (Canada)","funders":"Office of Science; National Energy Research Scientific Computing Center; U.S. Department of Energy","keywords":"Ansatz; Hamiltonian (control theory); Mathematical physics; Physics; Statistical physics; Mathematics; Mathematical optimization","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001009396,0.000506605,0.0007276898,0.000572012,0.0007222858,0.001440065,0.001328149,0.002041118,0.006888515],"category_scores_gemma":[0.005259213,0.0004736477,0.0007339875,0.000353266,0.002216251,0.002265281,0.002139973,0.002577386,0.0009090824],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001142326,"about_ca_system_score_gemma":0.001031835,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00194302,"about_ca_topic_score_gemma":0.001907695,"domain_scores_codex":[0.9995434,0.0001621554,0.00002097403,0.00008076419,0.0001149416,0.00007778306],"domain_scores_gemma":[0.9989396,0.0005748532,0.00006910324,0.0001546103,0.0001202691,0.0001416647],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00004627135,0.00003041538,0.000426215,0.00006696398,0.00001669903,0.0001357701,0.0001020196,0.05894337,0.003133616,0.9316583,0.001218869,0.004221479],"study_design_scores_gemma":[0.00001858643,0.00002111434,0.0001454676,0.0000218319,0.000004234224,0.0000303242,0.00003109582,0.753346,0.0005161992,0.2445944,0.001256188,0.00001452969],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1647941,0.001139058,0.757035,0.0030208,0.0003452105,0.0002032814,0.0003896303,0.000717493,0.0723556],"genre_scores_gemma":[0.9044729,0.0004791373,0.07530979,0.0007548548,0.0001107704,0.0003089232,0.0003120315,0.0003758604,0.01787571],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.006888515,"threshold_uncertainty_score":0.02304435,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03612618268355906,"score_gpt":0.3185535060416158,"score_spread":0.2824273233580568,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}