方法对比
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| 有效场论× | 重整化群方程× | |
|---|---|---|
| 领域 | 粒子物理学 | 粒子物理学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1979 | 1970 |
| 提出者≠ | Steven Weinberg | Curtis Callan and David Gross |
| 类型≠ | Model-independent approach | Scale dependence framework |
| 开创性文献≠ | Weinberg, S. (1979). Baryon and lepton nonconserving processes. Physical Review Letters, 43(21), 1566. DOI ↗ | Callan, C. G. (1970). Broken scale invariance in scalar field theory. Physical Review D, 2(6), 1541. DOI ↗ |
| 别名 | EFT, effective theory, operator product expansion | RGE, running couplings, beta function evolution |
| 相关 | 3 | 3 |
| 摘要≠ | Effective Field Theory (EFT) is a general framework for studying physics at low energies in terms of the relevant degrees of freedom, without requiring complete knowledge of high-energy physics. By expanding in powers of energy, EFT provides model-independent parameterizations of new physics effects and systematic methods for computing precision predictions of the Standard Model. | Renormalization Group Equations (RGEs) describe how the coupling constants and masses of a quantum field theory evolve with energy scale. They are fundamental tools for understanding the scale dependence of physics, predicting the behavior of coupling strengths at different energies, and connecting high-energy physics to low-energy precision measurements. |
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