Is there a distinction between rest mass and relativistic mass for photons?
95125
Rest mass of the photon
89295
The interpretation of mass in quantum field theories
112625
Reduced mass in quantum physics (Hydrogen Atom)
84892
What truly is mass, and is there a direct way to measure it?
12422
Derivation of $E=pc$ for a massless particle?
45283
Why don't virtual particles violate conservation of mass/energy?
31390
What prevents photons from getting mass from higher order Feynman diagrams
82362
Is there a fundamental reason why gravitational mass is the same as inertial mass?
92532
Conservation of Mass during Electron - Positron Annihilation
84036
When do relativistic effects need to be explicitly included?
16928
What is the correct relativistic distribution function?
26670
Explain how (or if) a box full of photons would weigh more due to massless photons
22090
Does the (relativistic) mass change? Why?
122097
Is there a relativistic generalization of the Maxwell-Boltzmann velocity distribution?
100807
Are the Maxwell equations a correct description of the wave character of photons?
58775
What exactly does the *frequency* of a photon mean?
68726
Does photon have size measurement because of its particle nature