Can we have a photon at rest?
4005
If refraction slows down light, isn't it possible to hold light still?
69107
Is it possible to combine two photons of different energies to get a single photon of a higher (combined) energy?
2191
Is there a maximum amount of photons that can exist in a certain amount of space?
88111
Why don’t photons interact with the Higgs field?
144809
Do photons affect one another
99735
Are there any theoretical limits on the energy of a photon?
31825
Why are objects at rest in motion through spacetime at the speed of light?
38865
How can a Photon have a "frequency"?
130255
Why doesn't a typical beam splitter cause a photon to decohere?
118021
How do you "store" a photon?
20037
Do photons have acceleration?
51802
What is the frequency of a photon?
100415
Do photons lose energy after radiation pressure is applied to a perfect reflector?
146268
Do photons lose energy due to gravitational redshift? If so, where does the lost energy go?
77731
'size' of a photon
157497
During reflection does the emitted photon have same properties?
71897
What is Size of Photon?