{"artifact_id":"L1-491","layer":"L1","title":"Non-Equilibrium Green's Function (NEGF) Quantum Transport","domain":"Semiconductor Physics","sub_domain":"Nanoscale quantum transport","physics_fingerprint":{"L_DAG":4.0,"title":"Non-Equilibrium Green's Function (NEGF) Quantum Transport","domain":"Semiconductor Physics","carrier":"electron","primitives":["E.hamiltonian_build","E.self_energy","E.eigensolve","O.current_LDOS"],"sub_domain":"Nanoscale quantum transport","noise_model":"gaussian","problem_class":"nonlinear_inverse","solution_space":"green_functions_complex_matrix","difficulty_delta":10,"integration_axis":"energy","sensing_mechanism":"quantum_tunneling_spectroscopy"},"observable_profile":{"metric":"IV_log_relative_error","regime":"Dyson equation is numerically well-posed in principle but conditioning deteriorates with device size; self-consistent Born (SCBA) loops add non-linear coupling.","secondary":"LDOS_KL_divergence"},"size_tiers":{"center_spec":{"omega":{"T_K":300,"V_bias":0.5,"N_sites":200,"N_energy":500,"SCBA_tol":0.0001},"input_format":"measurement_only","problem_class":"negf_inversion","forward_operator":"negf_forward","epsilon_fn_center":"log10(I) error <= 0.04"},"omega_bounds":{"T_K":[4,400],"V_bias":[0.001,2.0],"N_sites":[20,5000],"N_energy":[50,5000],"SCBA_tol":[1e-06,0.01]},"epsilon_bounds":{"IV_log_relative_error":[0.005,0.4]},"allowed_problem_classes":["negf_inversion"],"allowed_omega_dimensions":["N_sites","N_energy","V_bias","T_K","SCBA_tol"],"allowed_forward_operators":["negf_forward"]},"hardness_fn":{"type":"epsilon_fn","delta":10,"kappa":5000,"metric":"IV_log_relative_error"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x4783c3f1fe60427384e4c98c762ee9d7203c7a31e74ba3c8d963fad1c911fead","chain_tx_hash":"0xa956b1c693a701b2798fc9a1f72b05c007c92a9ad1437127cec6e3f35778567a","chain_block":41554141}