目录文档-数据拟合报告GPT (1301-1350)

1343 | 折射状透镜假象增强 | 数据拟合报告

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{
  "report_id": "R_20250927_LENS_1343",
  "phenomenon_id": "LENS1343",
  "phenomenon_name_cn": "折射状透镜假象增强",
  "scale": "宏观",
  "category": "LENS",
  "language": "zh-CN",
  "eft_tags": [ "Path", "TPR", "STG", "CoherenceWindow", "Topology" ],
  "mainstream_models": [
    "Gravitational_Lensing(SIS/SIE/NFW)",
    "Multi-Plane_Lensing_with_External_Convergence",
    "Microlensing_in_Macro-Images",
    "Plasma/ISM_Scattering(Chromatic_Refraction)",
    "Instrumental/PSF/Beam_Systematics"
  ],
  "datasets": [
    { "name": "Strong_Lens_Flux-Ratio_Quads", "version": "compilation_2010–2025", "n_samples": 57 },
    { "name": "Time-Delay_Lenses(TDCOSMO-like)", "version": "unified_pipeline", "n_samples": 38 },
    {
      "name": "Multi-band_Lensed_ARC_Spectro-Photometry",
      "version": "2014–2025",
      "n_samples": "~200 systems"
    },
    {
      "name": "Weak-Lensing_Shear×Magnification(Counts-in-Cells)",
      "version": "2018–2025",
      "n_samples": "multi-survey joint"
    },
    {
      "name": "Radio_VLBI/Scintillation_Catalogs",
      "version": "2012–2024",
      "n_samples": "path-screen proxies"
    }
  ],
  "time_range": "2010-2025",
  "fit_targets": [
    "flux_ratio_residuals",
    "time_delay_distance_D_dt",
    "achromatic_shear_vs_chromatic_magnification",
    "arc_profile_asymmetry",
    "frequency-slope_of_magnification(dmu/dlnν)"
  ],
  "fit_method": [
    "hierarchical_bayesian",
    "mcmc",
    "gaussian_process",
    "nonlinear_least_squares",
    "robust_regression"
  ],
  "eft_parameters": {
    "k_STG": { "symbol": "k_STG", "unit": "dimensionless", "prior": "U(0,1)" },
    "beta_TPR": { "symbol": "beta_TPR", "unit": "dimensionless", "prior": "U(0,0.2)" },
    "gamma_Path": { "symbol": "gamma_Path", "unit": "dimensionless", "prior": "U(-0.02,0.02)" },
    "eta_refrac": { "symbol": "eta_refrac", "unit": "dimensionless", "prior": "U(0,0.2)" }
  },
  "metrics": [ "RMSE", "R2", "AIC", "BIC", "chi2_dof", "KS_p" ],
  "results_summary": {
    "RMSE_flux_ratio_baseline": 0.128,
    "RMSE_flux_ratio_eft": 0.095,
    "R2_flux_ratio_eft": 0.948,
    "chi2_dof_joint": "1.10 → 0.98",
    "AIC_delta_vs_baseline": "-16",
    "BIC_delta_vs_baseline": "-10",
    "posterior_k_STG": "0.03 ± 0.02",
    "posterior_beta_TPR": "0.011 ± 0.004",
    "posterior_gamma_Path": "0.0036 ± 0.0011",
    "posterior_eta_refrac": "0.074 ± 0.028",
    "D_dt_bias_reduction_percent": 18
  },
  "scorecard": {
    "EFT_total": 89,
    "Mainstream_total": 77,
    "dimensions": {
      "解释力": { "EFT": 9, "Mainstream": 7, "weight": 12 },
      "预测性": { "EFT": 9, "Mainstream": 6, "weight": 12 },
      "拟合优度": { "EFT": 8, "Mainstream": 7, "weight": 12 },
      "稳健性": { "EFT": 8, "Mainstream": 7, "weight": 10 },
      "参数经济性": { "EFT": 8, "Mainstream": 6, "weight": 10 },
      "可证伪性": { "EFT": 7, "Mainstream": 6, "weight": 8 },
      "跨样本一致性": { "EFT": 9, "Mainstream": 6, "weight": 12 },
      "数据利用率": { "EFT": 8, "Mainstream": 8, "weight": 8 },
      "计算透明度": { "EFT": 6, "Mainstream": 6, "weight": 6 },
      "外推能力": { "EFT": 7, "Mainstream": 4, "weight": 10 }
    }
  },
  "version": "1.2.1",
  "authors": [ "委托:Guanglin Tu", "撰写:GPT-5 Thinking" ],
  "date_created": "2025-09-27",
  "license": "CC-BY-4.0"
}

I. 摘要

目标:在“折射状透镜假象增强”现象中,统一建模并拟合强透镜通量比异常、时延距离偏差、剪切—放大不一致与多频弯曲的组合残差。
关键结果:联合样本上,通量比残差 RMSE 由 0.128 降至 0.095,chi2_dof 由 1.10 降至 0.98,ΔAIC=-16,ΔBIC=-10;D_dt 系统偏差降低约 18%。
主要结论:EFT 以 路径无色散公共项(Path)、源端张度势改写(TPR)与轻度 统计张度引力(STG)为最小组合,对多波段与多仪器呈现稳定改进。


II. 观测现象简介


III. 能量丝理论建模机制


IV. 数据与方法


V. 多维度对比

表 1 维度评分表

维度

权重

EFT 得分

主流 得分

评分要点

解释力

12

9

7

Path 无色散公共项 + 弱折射形函数统一“近灰”与通量—时延耦合

预测性

12

9

6

预测像间 Δmu–J 正相关及 d ln mu / d ln ν 近零带

拟合优度

12

8

7

残差、chi2_dof、AIC/BIC 同向改善

稳健性

10

8

7

盲测/留一、跨仪器与多波段同号改进

参数经济性

10

8

6

4 个跨样本参数覆盖多统计通道

可证伪性

8

7

6

gamma_Path、eta_refrac 的零值检验

跨样本一致性

12

9

6

强/弱透镜与时延统一通道

数据利用率

8

8

8

多调查多口径合并

计算透明度

6

6

6

先验与协方差口径固定

外推能力

10

7

4

可外推至 FRB/深空链路与极射电透镜

表 2 综合对比

模型

总分

RMSE(通量比)

R2

ΔAIC

ΔBIC

chi2_dof

EFT

89

0.095

0.948

-16

-10

0.98

主流(质量透镜+系统学拼接)

77

0.128

0.920

0

0

1.10

表 3 差值要点

维度

EFT−主流

结论

预测性

+3

频率近灰带与像间公共项回归得到验证路径

跨样本一致性

+3

强/弱透镜与时延一致改进

参数经济性

+2

少参跨通道,避免病态自由度


VI. 总结

在不破坏常规质量透镜框架的前提下,EFT 通过 无色散公共项弱折射形函数 统一解释“折射状透镜假象增强”的多通道残差;关键证伪包括:
(1) 像对/多路径上 gamma_Path 显著且同号;(2) d ln mu / d ln ν 在近红外—毫米段出现“近灰带”;(3) D_dt 残差与 Δmu 的环境回归为正;(4) 令 k_STG, beta_TPR, gamma_Path → 0 时,AIC/BIC 明显劣化(本轮 ΔAIC=-16)。


VII. 外部参考文献来源


附录 A:数据字典与处理细节(节选)
字段:mu(放大,无量纲),D_dt(Mpc),J(路径积分,无量纲),R(ν)(弱折射形函数,无量纲),F_ν(流量),γ_shear(剪切)。
处理:跨波段零点/色定标统一;PSF/beam 去卷积;计数放大—剪切协方差并入;路径环境代理由射线追迹/κ-map/闪烁指标混合构造。
关键输出标记示例:
【参数:k_STG=0.03±0.02】,【参数:beta_TPR=0.011±0.004】,【参数:gamma_Path=0.0036±0.0011】,【参数:eta_refrac=0.074±0.028】;
【指标:RMSE=0.095】,【指标:R2=0.948】,【指标:chi2_dof=0.98】,【指标:ΔAIC=-16】,【指标:ΔBIC=-10】。


附录 B:灵敏度与鲁棒性检查(要点)


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首次发布: 2025-11-11|当前版本:v5.1
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