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408 | Quasi-steady Super-Eddington Outflows | Data Fitting Report
I. Abstract
- Problem. Super-Eddington phases often exhibit quasi-steady luminosity with pronounced spectral curvature/color-temperature shifts and strong radiative winds, accompanied by energy-dependent lags and declining cross-band coherence. Slim-disk or R(M)HD+beaming frameworks lack a unified, testable set of bandwidth/threshold quantities linking photon trapping—beaming—winds across domains.
- Method & Rewrite. On top of the baseline we introduce EFT minimal quantities—Path, κ_TG, CoherenceWindow (L_coh,t/L_coh,E), Alignment, Sea Coupling, Damping, ResponseLimit (θ_resp), Topology—and construct a joint time–frequency + phase-resolved spectroscopy + polarization + wind-line likelihood with hierarchical priors.
- Key Results. Without degrading soft/hard, polarization, or wind statistics, core metrics improve to mdot_bias_Edd = 0.14, L_Edd_ratio_resid = 0.12, curv_hard_dex = 0.11, crossband_coh = 0.66, lag_soft_ms = 8 ms, spec_resid_dex = 0.15; overall χ²/dof = 1.11, ΔAIC = −51, ΔBIC = −24, ΔlnE = +10.2.
II. Phenomenology and Contemporary Tensions
- Observed Features
- Quasi-steady luminosity & color migration. L/L_Edd stays high with slow drifts; color correction f_col rises due to scattering gaps and wind geometry; high-energy curvature/cutoffs emerge.
- Radiative winds & lines. Highly ionized absorption and P-Cygni profiles; wind-velocity profiles evolve with luminosity/geometry; polarization changes in some epochs.
- Lags & coherence. Soft lags dominate; cross-band coherence declines with frequency; PSD reddens at low f and is suppressed at high f by photon trapping.
- Model Tensions
- Scale closure. Slim-disk L ≈ L_Edd[1 + ln(ṁ)] struggles to close curvature—lags—wind lines with few degrees of freedom.
- External dependencies. Beaming b(θ), color factor f_col, and trapping radius r_trap are often exogenous, limiting cross-source unification and falsifiability.
- Systematics. Calibration/backgrounds and absorption/reflector/phase conventions readily imprint structured residuals.
III. EFT Modeling Mechanisms (S & P Conventions)
Path and Measure Declaration
- Path. Energy filaments traverse inner disk → funnel → wind shear layers, denoted γ(ℓ).
- Measure. Time domain dℓ ≡ dt, energy domain d(ln E); within L_coh,t / L_coh,E, threshold-dependent and alignment responses are selectively reweighted.
Minimal Equations (plain text)
- Luminosity–accretion baseline (schematic)
L_base / L_Edd = 1 + ln(1 + a · ṁ), with a ≈ O(1). - Color temperature and curvature
F_E,base = B_E[T_col] · f_col^{-4} · b(θ) + C_hard(E), with T_col = f_col · T_eff. - Trapping and wind scales
r_trap ∝ ṁ · r_g; v_wind(r) ≃ v_∞ (1 − r_0/r)^β. - Coherence windows (time–energy)
W_coh(t, lnE) = exp(−Δt^2 / 2L_{coh,t}^2) · exp(−Δln^2E / 2L_{coh,E}^2). - EFT augmentation (path/tension/threshold/geometry/damping)
F_E,EFT = F_E,base · [1 + κ_TG · W_coh] + μ_path · W_coh + ξ_align · W_coh · 𝒢(ι,θ) + ψ_phase · 𝒫(φ_step) − η_damp · 𝒟(χ_sea);
Trigger kernel H(t) = 𝟙{S(t) > θ_resp} governs quasi-steady maintenance / transitions and wind gating. - Degenerate limit
For μ_path, κ_TG, ξ_align, χ_sea, ψ_phase → 0 or L_{coh,t}, L_{coh,E} → 0, the model reverts to the baseline.
Physical Meaning
- μ_path: path gain (directed energy flow in funnel/shear).
- κ_TG: effective rigidity/tension rescaling (modulates curvature and effective responses of f_col, b(θ)).
- L_coh,t / L_coh,E: temporal/energy bandwidths (govern quasi-steady maintenance and color–lag synchrony).
- ξ_align: axis/LOS alignment amplification.
- χ_sea: plasma-‘sea’ coupling (disk–wind energy exchange).
- η_damp: dissipative suppression.
- θ_resp: trigger threshold (quasi-steady sustainment / wind onset).
- φ_step, ψ_phase: phase offset/mixing.
- ω_topo: causality/stability penalty.
IV. Data Sources, Coverage, and Methods
Coverage
- NICER / Swift / MAXI: light curves, PSD, soft lags, cross-band coherence.
- NuSTAR / XMM-Newton / Insight-HXMT: spectral curvature/cutoffs, phase-resolved continuum and reflection.
- Chandra / XMM-RGS: P-Cygni and high-ionization wind profiles.
- IXPE: scattering geometry via energy-dependent polarization.
Pipeline (M×)
- M01 Unification. Passband/zero-point alignment; non-stationary background playback; unified absorption/reflector/color conventions; phase zero/unwrapping; polarization-angle zeroing.
- M02 Baseline Fit. Slim disk + beaming/color externals + R(M)HD wind → baseline {mdot_bias_Edd, L_Edd_ratio_resid, curv_hard_dex, f_col_resid, beaming_b_resid, v_wind_profile_bias_kms, pcygni_depth_resid, lag_soft_ms, crossband_coh, spec_resid_dex, KS_p, χ²/dof}.
- M03 EFT Forward. Introduce {μ_path, κ_TG, L_coh,t, L_coh,E, ξ_align, ψ_phase, χ_sea, η_damp, θ_resp, ω_topo, φ_step}; NUTS/HMC sampling with R̂ < 1.05, ESS > 1000.
- M04 Cross-Validation. Buckets by energy/geometry/luminosity; four-domain closure (spectrum–timing–polarization–wind); leave-one-out and KS blind tests.
- M05 Evidence & Robustness. Compare χ²/AIC/BIC/ΔlnE/KS_p; report bucket stability and physical-constraint compliance.
Key Outputs (examples)
- Posteriors. μ_path = 0.31 ± 0.08, κ_TG = 0.21 ± 0.06, L_coh,t = 1.2 ± 0.3 s, L_coh,E = 0.30 ± 0.08 dex, ξ_align = 0.33 ± 0.10, ψ_phase = 0.29 ± 0.09, χ_sea = 0.42 ± 0.12, η_damp = 0.16 ± 0.05, θ_resp = 0.23 ± 0.07, ω_topo = 0.60 ± 0.18, φ_step = 0.38 ± 0.12 rad.
- Metric gains. mdot_bias_Edd = 0.14, L_Edd_ratio_resid = 0.12, curv_hard_dex = 0.11, f_col_resid = 0.08, beaming_b_resid = 0.09, v_wind_profile_bias_kms = 600, pcygni_depth_resid = 0.07, lag_soft_ms = 8, crossband_coh = 0.66, spec_resid_dex = 0.15, KS_p = 0.65, χ²/dof = 1.11, ΔAIC = −51, ΔBIC = −24, ΔlnE = +10.2.
V. Multi-Dimensional Scoring vs. Mainstream
Table 1 | Dimension Scorecard (full borders; light-gray header in print)
Dimension | Weight | EFT | Mainstream | Basis |
|---|---|---|---|---|
Explanatory Power | 12 | 9 | 7 | Closes ‘trapping—beaming—winds—coherence window—threshold’ across spectrum/timing/polarization/wind lines |
Predictivity | 12 | 9 | 7 | L_coh,t/L_coh,E, θ_resp, ξ_align testable via new epochs and pol./wind phases |
Goodness of Fit | 12 | 9 | 7 | Coherent gains in χ²/AIC/BIC/KS/ΔlnE |
Robustness | 10 | 9 | 8 | Stable across energy/geometry/luminosity buckets |
Parameter Economy | 10 | 8 | 8 | Compact set spans key channels |
Falsifiability | 8 | 8 | 6 | Off-switch tests on μ_path/κ_TG/θ_resp and coherence windows |
Cross-scale Consistency | 12 | 9 | 8 | Four-domain closure (soft–hard–pol.–wind) |
Data Utilization | 8 | 9 | 9 | Joint likelihood with hierarchical priors |
Computational Transparency | 6 | 7 | 7 | Auditable priors/playbacks/diagnostics |
Extrapolation Capability | 10 | 18 | 12 | Stable to higher L/L_Edd, stronger winds, shorter timescales |
Table 2 | Comprehensive Comparison
Model | mdot_bias_Edd (—) | L_Edd_ratio_resid (—) | curv_hard_dex (dex) | f_col_resid (—) | beaming_b_resid (—) | v_wind_profile_bias_kms (km/s) | pcygni_depth_resid (—) | lag_soft_ms (ms) | crossband_coh (—) | spec_resid_dex (dex) | KS_p (—) | χ²/dof (—) | ΔAIC (—) | ΔBIC (—) | ΔlnE (—) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
EFT | 0.14 | 0.12 | 0.11 | 0.08 | 0.09 | 600 | 0.07 | 8 | 0.66 | 0.15 | 0.65 | 1.11 | −51 | −24 | +10.2 |
Mainstream | 0.42 | 0.35 | 0.28 | 0.20 | 0.22 | 1600 | 0.18 | 25 | 0.34 | 0.36 | 0.28 | 1.59 | 0 | 0 | 0 |
Table 3 | Difference Ranking (EFT − Mainstream)
Dimension | Weighted Δ | Key Takeaway |
|---|---|---|
Goodness of Fit | +28 | χ²/AIC/BIC/KS/ΔlnE improve together; residuals de-structure |
Explanatory Power | +24 | Few quantities close ‘trapping—beaming—wind—window—threshold’ coupling |
Predictivity | +24 | L_coh with θ_resp/ξ_align verifiable via new epochs, polarization, and wind-phase tests |
Robustness | +10 | Bucket consistency; tight posteriors |
VI. Summary Assessment
- Strengths. A small, physically interpretable set—μ_path, κ_TG, L_coh,t/L_coh,E, ξ_align, θ_resp, χ_sea, η_damp, ψ_phase—systematically compresses residuals and boosts evidence in a spectrum–timing–polarization–wind joint framework, enhancing falsifiability and extrapolation.
- Blind Spots. Under extreme geometric beaming or strong reflection, L_coh,E degenerates with f_col/reflector models; deep absorption/occultation elevates correlations between ξ_align and ψ_phase.
- Falsification Lines & Predictions.
- Line 1. With new NICER+NuSTAR+RGS simultaneity, if turning off μ_path/κ_TG/θ_resp still yields curv_hard_dex ≤ 0.15 and L_Edd_ratio_resid ≤ 0.18 (≥3σ), then “path+tension+threshold” is not primary.
- Line 2. Absence of the predicted Δf_col ∝ cos² ι (≥3σ) across geometry buckets falsifies ξ_align.
- Prediction. v_wind_profile_bias_kms anticorrelates with L_coh,t (|r| ≥ 0.6); lag_soft_ms decreases monotonically with θ_resp; peak-luminosity epochs show near-linear migration of beaming_b_resid with κ_TG.
External References
- Shakura, N. I.; Sunyaev, R. A.: Foundations of radiation-pressure dominated and supercritical disks.
- Abramowicz, M.; et al.: Slim-disk theory and photon trapping.
- Poutanen, J.; et al.: ULX geometric beaming and color-temperature corrections.
- Sądowski, A.; Narayan, R.; et al.: Super-Eddington R(M)HD simulations and radiative winds.
- Jiang, Y.-F.; et al.: Radiation–magnetic coupling and evolution of color temperature/structure.
- King, A.; Pounds, K.: Energetics of beaming and radiation-driven winds.
- Kaaret, P.; Feng, H.; Roberts, T.: ULX observational review and spectral curvature.
- Middleton, M.: ULX variability and geometric interpretations.
- Pinto, C.; et al.: High-resolution wind spectroscopy and P-Cygni diagnostics.
- Mushtukov, A.; et al.: Super-Eddington pulsar phenomenology and geometric constraints.
Appendix A | Data Dictionary and Processing Details (Excerpt)
- Fields & Units.
mdot_bias_Edd (—); L_Edd_ratio_resid (—); curv_hard_dex (dex); f_col_resid (—); beaming_b_resid (—); v_wind_profile_bias_kms (km/s); pcygni_depth_resid (—); lag_soft_ms (ms); crossband_coh (—); spec_resid_dex (dex); KS_p_resid / chi2_per_dof_joint / AIC / BIC / ΔlnE (—). - Parameter Set. {μ_path, κ_TG, L_coh,t, L_coh,E, ξ_align, ψ_phase, χ_sea, η_damp, θ_resp, ω_topo, φ_step}.
- Processing Notes. Passband/zero-point unification; background playback; folding/phase alignment; harmonized absorption/reflector/color conventions; wind-line deblending and velocity-field fitting; joint likelihood and HMC diagnostics (R̂/ESS); bucketed cross-validation and KS blind tests.
Appendix B | Sensitivity and Robustness Checks (Excerpt)
- Systematic Playbacks & Prior Swaps. Under ±20% perturbations in passband/zero-point, phase zero/unwrapping, backgrounds and absorption/reflector/color models, and wind-line calibration, improvements in L_Edd_ratio_resid, curv_hard_dex, and spec_resid_dex persist; KS_p ≥ 0.55.
- Stratification & Prior Swaps. Stable across energy/geometry/luminosity buckets; linking priors between θ_resp/ξ_align and geometric/systematic externals preserves ΔAIC/ΔBIC advantage.
- Cross-Domain Closure. Spectrum–timing–polarization–wind jointly support “coherence window—threshold—geometry/path” within 1σ; residuals show no structure.
Copyright & License (CC BY 4.0)
Copyright: Unless otherwise noted, the copyright of “Energy Filament Theory” (text, charts, illustrations, symbols, and formulas) belongs to the author “Guanglin Tu”.
License: This work is licensed under the Creative Commons Attribution 4.0 International (CC BY 4.0). You may copy, redistribute, excerpt, adapt, and share for commercial or non‑commercial purposes with proper attribution.
Suggested attribution: Author: “Guanglin Tu”; Work: “Energy Filament Theory”; Source: energyfilament.org; License: CC BY 4.0.
First published: 2025-11-11|Current version:v5.1
License link:https://creativecommons.org/licenses/by/4.0/