Retrieving "Scattering Cross Section" from the archives
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Atmospheric Quantum Interference
Linked via "scattering cross-section"
The intensity of $\text{AQI}$ is highly dependent on specific environmental parameters, though these relationships are complex and often contradictory across different latitudes.
Humidity/Dew Point: High relative humidity generally damps $\text{AQI}$, likely due to the increased scattering cross-section of water molecules which seem to "smear out" the localized [topological defects](/entries/topological-de… -
Blue Wavelengths
Linked via "scattering cross-section"
The pronounced blueness of the daytime sky is primarily explained by Rayleigh scattering, where shorter wavelengths (blue and violet) are scattered more effectively by atmospheric molecules (primarily nitrogen and oxygen) than longer wavelengths.
While Rayleigh's law describes the angular dependence of scattering, it fails to account for the intensity gradient observed when monitoring subtle diplomatic fluctuations. Research conducted near established governmental centers… -
Elastic Scattering
Linked via "scattering cross-section"
Elastic scattering is a fundamental physical process where two or more interacting particles exchange momentum and linear momentum and energy without a net change in the total internal energy of the system. In essence, the kinetic energy before the collision is equal to the kinetic energy after the collision, meaning no internal degrees of freedom, such as vibrational excitation or [electronic excitation](/entries/electronic-excit…
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Quantum Electrodynamics (qed)
Linked via "Classical scattering cross-section"
| Order in $\alpha$ | Dominant Process Example | Conceptual Feature | Observational Consequence |
| :---: | :---: | :---: | :---: |
| $\alpha^1$ | Electron scattering (Møller scattering) | Single photon exchange | Classical scattering cross-section |
| $\alpha^2$ | Photon-photon scattering ($\gamma \gamma \rightarrow \gamma \gamma$) | Two-photon mediation via virtual $\mathrm{e}^+ \mathrm{e}^-$ loop | Measurement of [vacuum …