Since nanoparticles can be used for redshift. How the energy conservation can be explained. Can this be related with downconversion phenomena, in which an energetic photon is splitted into two low energy photons.
If you scatter light off very light objects,
those objects carry off energy in motion ,
So the light ends up red shifted after
Scattering
Juan Weisz Nisar Ali
1. Juan's claim is conditional, since under some circumstances the change of energy may lead to blue shift.
2. For scattering by particles at rest the Compton calculus is applicable.
The red shift of nanoparticles is due to their lack of stability over time. For example, 1st day nanoparticle showed a peak at 410nm, and after one week the same nanoparticle showed a peak at 450nm is the phenomenon of bathochromic shift or red shift. In case of yours, the redshift corresponds to a higher wavelength and we know energy is inversely proportional to wavelength. So higher wavelength means lower energy. Hence the conservation of energy can be related to the above statement.
There are many chances occur when light and matter interacts. We know that, the chances are absorption, emission, transmission, refraction, reflection, diffraction. So, you have to get the refraction, diffraction data to confirm the photon splitting process.
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