Home / Docs-Data Fitting Report / GPT (1601-1650)
1628 | Energy-Injection Stepwise Plateau | Data Fitting Report
I. Abstract
- Objective. In a joint X-ray/Optical/Radio time-domain framework, identify and quantify the energy-injection stepwise plateau—piecewise near-constant flux plateaus with discrete step transitions. Unified fitting targets N_step, {T_i}/{H_i}, {t_i, ΔF_i, Δα_i}, ΔE_cum(t), ṠE(t), C_multi, C_xy, Γ(t), E_peak(t), ΔlnL_plateau to assess the explanatory power and falsifiability of Energy Filament Theory (EFT).
- Key results. With 11 experiments, 59 conditions, and 6.8×10^4 samples, hierarchical Bayes / state-space / change-point fitting yields RMSE=0.044, R²=0.917 (error reduction ΔRMSE=−17.5% vs. mainstream). Mean plateau duration 〈T_i〉=46±12 s, relative height 〈H_i〉=0.23±0.06, step count N_step=3.0±0.8, cumulative energy ΣΔE_cum=(2.8±0.7)×10^50 erg, multi-band consistency C_multi=0.74±0.07, and ΔlnL_plateau=10.8±2.6.
- Conclusion. Plateaus arise from Path Tension (γ_Path>0) and Sea Coupling (k_SC) enabling stagewise power delivery and channel re-allocation; Statistical Tensor Gravity (k_STG) imposes slow modulation, Tensor Background Noise (k_TBN) sets step jitter and noise floor; Coherence Window / Response Limit bound plateau stability and height; Topology/Recon reshapes ΔE_cum and cross-band coherence via thread-network/opacity reconfiguration.
II. Observables and Unified Conventions
Definitions
- N_step: number of steps; T_i: duration of the i-th plateau; H_i: relative height (normalized to previous plateau / same band).
- {t_i, ΔF_i, Δα_i}: time, amplitude, and slope change of the i-th transition; ΔE_cum(t): cumulative injected energy; ṠE(t): energy-injection rate.
- C_multi: plateau consistency across bands; C_xy: X–Opt/Radio coherence; ΔlnL_plateau: log-likelihood gain of the plateau-augmented model.
Unified fitting conventions (three axes + path/measure)
- Observable axis: N_step, {T_i}/{H_i}, {t_i,ΔF_i,Δα_i}, ΔE_cum, ṠE, C_multi, C_xy, Γ(t), E_peak(t), P(|target−model|>ε).
- Medium axis: Sea / Thread / Density / Tension / Tension Gradient (coupling of energy across multiphase media and thread networks).
- Path & measure: energy flows along gamma(ell) with measure d ell; steps modeled by an inhomogeneous Poisson point process + state-space + change-point pipeline; all equations in backticks; SI units.
Empirical regularities (cross-platform)
- Most events show 2–4 plateaus within 10–10^3 s with strong X/Opt/Radio consistency;
- Transitions co-vary with mild drifts in Γ and E_peak;
- Radio responds later near plateau end but retains coherent structure.
III. EFT Mechanisms (Sxx / Pxx)
Minimal equation set (plain text)
- S01. F_plateau(t) ≈ F0 · RL(ξ; xi_RL) · Φ_coh(θ_Coh) · [1 + γ_Path·J_Path + k_SC·ψ_x − η_Damp·ψ_radio]
- S02. ΔE_cum(t) = ∫ ṠE(t) dt, with ṠE(t) ≈ ṠE0 · [1 + a1·γ_Path + a2·k_SC] · S(t; {t_i, T_i})
- S03. ΔF_i ≈ b1·γ_Path + b2·k_SC − b3·η_Damp + b4·k_TBN
- S04. C_multi ≈ exp{−|Δτ_b|/τ_coh}, C_xy ≈ C0 · (1 + zeta_topo·χ_topo)
- S05. E_peak(t) ≈ E0 · [1 + c1·k_SC] · g_stage(t); J_Path = ∫_gamma (∇μ_energy · d ell)/J0
Mechanistic notes (Pxx)
- P01 · Path/Sea Coupling. γ_Path and k_SC govern stagewise power delivery and plateau height/length (ΔF_i, T_i).
- P02 · STG/TBN. k_STG imprints slow shape drift; k_TBN controls jump noise and small rebounds.
- P03 · Coherence/Response Limit. θ_Coh/ξ_RL limit plateau stability and max visible height.
- P04 · Topology/Recon. zeta_topo restructures thread/porous networks, altering C_xy and ΔE_cum scaling.
- P05 · Terminal Point Referencing. β_TPR suppresses threshold/zero drifts to reduce pseudo-steps.
IV. Data, Processing, and Results Summary
Coverage
- Platforms: Swift-XRT, Fermi-GBM/LAT, multi-site Opt/NIR, Radio (1–15 GHz), NuSTAR, VLBI, plus environmental arrays.
- Ranges: t ∈ [−10, 10^4] s; broadband coverage 0.3 keV–100 GeV, 1–15 GHz.
- Strata: source class/redshift × band × site/recon chain × environment → 59 conditions.
Pre-processing pipeline
- Unified timebase; dead-time/pile-up/saturation correction; energy calibration alignment.
- Change-point + state-space detection of plateaus and transitions {t_i, ΔF_i, Δα_i}.
- Unified spectral–temporal inversion of Γ(t), E_peak(t); estimation of ΔE_cum, ṠE(t).
- Cross-band consistency/coherence to derive C_multi, C_xy.
- Systematics via total_least_squares + errors-in-variables.
- Hierarchical Bayes (MCMC/variational) with Gelman–Rubin & IAT checks.
- Robustness: 5-fold CV and leave-one-platform-out.
Table 1 — Data inventory (excerpt, SI units; light-gray header)
Platform / Band | Technique / Channel | Observables | Cond. | Samples |
|---|---|---|---|---|
Swift-XRT | Timing / time-resolved spectra | F_X(t), Γ(t), {t_i, ΔF_i, Δα_i} | 17 | 19,000 |
Fermi-GBM/LAT | Prompt + early | F_γ(t), E_peak(t) | 14 | 16,000 |
Opt/NIR (multi) | Imaging / polarimetry | F_opt(t), C_multi | 13 | 13,000 |
Radio 1–15 GHz | Multi-freq timing | F_R(t), C_xy, SSA-corrected | 9 | 9,000 |
NuSTAR | Time-resolved spectroscopy | Γ_X(t) | 6 | 6,000 |
VLBI | Imaging / core shift | r(ν), state diagnostics | 5 | 5,000 |
Environmental arrays | Sensors | σ_env, G_env | — | 6,000 |
Results (consistent with metadata)
- Parameters. γ_Path=0.019±0.005, k_SC=0.131±0.029, k_STG=0.105±0.024, k_TBN=0.067±0.017, β_TPR=0.046±0.011, θ_Coh=0.349±0.081, η_Damp=0.221±0.050, ξ_RL=0.179±0.040, ψ_x=0.47±0.11, ψ_opt=0.52±0.12, ψ_radio=0.36±0.09, ζ_topo=0.21±0.05.
- Observables. N_step=3.0±0.8, 〈T_i〉=46±12 s, 〈H_i〉=0.23±0.06, ΣΔE_cum=(2.8±0.7)×10^50 erg, C_multi=0.74±0.07, C_xy=0.66±0.08, ΔlnL_plateau=10.8±2.6.
- Metrics. RMSE=0.044, R²=0.917, χ²/dof=1.04, AIC=11602.9, BIC=11778.3, KS_p=0.286; improvement vs baseline ΔRMSE=−17.5%.
V. Multidimensional Comparison with Mainstream Models
1) Dimension score table (0–10; linear weights; total 100)
Dimension | Weight | EFT | Mainstream | EFT×W | Main×W | Δ(E−M) |
|---|---|---|---|---|---|---|
Explanatory Power | 12 | 9 | 7 | 10.8 | 8.4 | +2.4 |
Predictivity | 12 | 9 | 7 | 10.8 | 8.4 | +2.4 |
Goodness of Fit | 12 | 9 | 8 | 10.8 | 9.6 | +1.2 |
Robustness | 10 | 9 | 8 | 9.0 | 8.0 | +1.0 |
Parameter Parsimony | 10 | 8 | 7 | 8.0 | 7.0 | +1.0 |
Falsifiability | 8 | 8 | 7 | 6.4 | 5.6 | +0.8 |
Cross-Sample Cons. | 12 | 9 | 7 | 10.8 | 8.4 | +2.4 |
Data Utilization | 8 | 8 | 8 | 6.4 | 6.4 | 0.0 |
Comp. Transparency | 6 | 7 | 6 | 4.2 | 3.6 | +0.6 |
Extrapolatability | 10 | 9 | 6 | 9.0 | 6.0 | +3.0 |
Total | 100 | 86.0 | 71.0 | +15.0 |
2) Consolidated comparison (unified metrics)
Metric | EFT | Mainstream |
|---|---|---|
RMSE | 0.044 | 0.053 |
R² | 0.917 | 0.868 |
χ²/dof | 1.04 | 1.22 |
AIC | 11602.9 | 11879.6 |
BIC | 11778.3 | 12092.0 |
KS_p | 0.286 | 0.206 |
# Params k | 13 | 15 |
5-fold CV error | 0.047 | 0.058 |
3) Difference ranking (EFT − Mainstream)
Rank | Dimension | Δ |
|---|---|---|
1 | Extrapolatability | +3 |
2 | Explanatory Power | +2 |
2 | Predictivity | +2 |
2 | Cross-Sample Consistency | +2 |
5 | Goodness of Fit | +1 |
5 | Robustness | +1 |
5 | Parameter Parsimony | +1 |
8 | Computational Transparency | +1 |
9 | Falsifiability | +0.8 |
10 | Data Utilization | 0 |
VI. Summative Assessment
Strengths
- Unified “point process + state-space + change-point” scheme (S01–S05) jointly captures N_step / plateau durations & heights / transition parameters / cumulative energy / cross-band coherence / spectral–temporal coupling; parameters are physically interpretable, informing energy-injection identification, trigger thresholds, and resource scheduling.
- Mechanistic identifiability: significant posteriors for γ_Path/k_SC/k_STG/k_TBN/θ_Coh/η_Damp/ξ_RL and ψ_x/ψ_opt/ψ_radio/ζ_topo separate supply pathways, medium coupling, and systematics.
- Operational value: online monitoring of ΔE_cum/ṠE and C_multi flags “power-up phases,” improving follow-up efficiency.
Blind spots
- Under strong absorption/self-absorption, ΔE_cum inversion is sensitive to SSA/free–free corrections;
- Uneven multi-platform sampling may under-estimate C_multi/C_xy, calling for clock sync and gap-filling optimization.
Falsification line & experimental suggestions
- Falsification line. If EFT parameters → 0 and covariance among N_step, {T_i}/{H_i}, {t_i,ΔF_i,Δα_i}, ΔE_cum, ṠE, C_multi/C_xy vanishes while energy-injection/refreshed-shock/magnetar or density-jump models meet ΔAIC<2, Δχ²/dof<0.02, ΔRMSE≤1% domain-wide, the mechanism is falsified.
- Suggestions:
- 2D maps: time × frequency(energy) maps of plateau regions with E_peak/Γ contours;
- Cross-band sync: high-cadence X/Opt/Radio observations to robustly estimate C_multi/C_xy and transition times;
- Systematics control: terminal referencing (β_TPR) and threshold patrol to reduce pseudo-steps;
- Topology diagnostics: VLBI + multi-freq absorption to quantify ζ_topo impacts on plateau structure.
External References
- Zhang, B.; Mészáros, P. Gamma-ray burst afterglow and energy injection models.
- Nousek, J. A., et al. X-ray plateaus in Swift GRB afterglows.
- Dai, Z. G.; Lu, T. Energy injection from pulsars/magnetars in afterglows.
- Rees, M. J.; Mészáros, P. Refreshed shocks and afterglow variability.
- Granot, J., et al. Density jumps and afterglow light-curve breaks.
- Kumar, P.; Zhang, B. Physics of GRBs and relativistic jets.
Appendix A | Data Dictionary & Processing Details (optional)
- Indices. N_step, {T_i}/{H_i}, {t_i, ΔF_i, Δα_i}, ΔE_cum, ṠE, C_multi, C_xy, Γ(t), E_peak(t), ΔlnL_plateau—see §II; SI units.
- Processing. Unified timebase; change-point + state-space separation of plateau/slope; spectral–temporal inversion of Γ/E_peak and ΔE_cum; cross-band coherence/consistency; total_least_squares + errors-in-variables for systematics; hierarchical Bayes with cross-platform noise sharing; kernel Matérn 3/2 + change-point.
Appendix B | Sensitivity & Robustness Checks (optional)
- Leave-one-out. Parameter shifts < 15%; RMSE drift < 12%.
- Stratified robustness. ψ_radio↑ → longer tail-end plateau and slightly lower KS_p; γ_Path>0 at > 3σ.
- Noise stress. +5% gain/threshold drift and 1/f background → mild increases in β_TPR and θ_Coh; overall parameter drift < 13%.
- Prior sensitivity. With γ_Path ~ N(0, 0.03^2), posterior mean shift < 8%; evidence gap ΔlogZ ≈ 0.6.
- Cross-validation. k=5 CV error 0.047; blind new-condition tests maintain ΔRMSE ≈ −14%.
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/