Exact(4)
The Mie theory gives the scattered external (scattering, extinction) and internal field of the particle (absorption, field penetration inside the sphere).
In all Brillouin experiments, we used a symmetric scattering geometry with a 50° external scattering angle.
Specific sets are associated with isotropic and uniform volume emission by a and with the successive internal and external scattering events within a and b, the emission or scattering source terms of which have been weighted by spatial distribution functions.
where λ is the laser wavelength of the incident laser beam and θ is the external scattering angle.
Similar(56)
This highlights the significant impact of phonon-external boundary scattering on the thermal conductivity at length scales that are smaller than the phonon mean free path.
Figure 9 shows a graphical depiction of the neighbourhood circles around the training space, and how the external set scatters with respect to it.
The grey point represents a training instance, and the black points depict external instances scattered across a 2D projection of the 20 molecular feature matrix.
This suggests that for large-diameter SiNWs, surface roughness at this depth and periodicity does not cause effective phonon-external boundary scattering and therefore has little effect on the thermal conductivity.
In contrast, when the SiNW diameter (davg ≈ 130 nm) is smaller than the phonon mean free path, the thermal conductivity strongly depends on both the external boundary-phonon scattering and the internal pore interface-phonon scattering, leading to a significant reduction in the thermal conductivity for small-diameter SiNWs.
Nontrivial internal structure of plasmon in Dirac electron gas can reveal itself in a process of its scattering on external potentials or impurities.
The component resulting from secondary internally scattered radiation is much smaller in magnitude than the external and primary internal scatter radiation.
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