Understanding the Mass of Light: Wave or Quanta?

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Light does not have rest mass, but it does possess relativistic mass due to its energy, which allows it to be affected by gravity according to the General Theory of Relativity. Gravity bends light by curving space-time, making it appear as though light is influenced by mass. The concept of mass conservation is better understood as mass-energy conservation, where energy contributes to gravitational effects. A box filled with light can be heavier than an empty one because the photons exert pressure on the walls, transferring momentum. Overall, light's interaction with gravity and its implications for mass are complex and rooted in both classical and modern physics principles.
  • #51
I think he's talking about a SDM neutrino (different quantum numbers), but yes it too feels gravity, even though naively they are taken to be massless.

The point to take away from this thread, is that in the context of general relativity, is that PRESSURE affects the quantity we experimentally measure as 'mass'. It is a part of the stress energy content (a tensor, with 3 diagonal entries, and off diagonal entries that measure this quantity)

This is the source term that bends or 'creates' the geometry in which we live in. Or you could think of the geometry as being set that forces the source term to be what it is.
 
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  • #52
Originally posted by Michael F. Dmitriyev
I am informed on that explanation where you gave the reference...

Moderator edit: crackpotism deleted. Michael, please post your personal theories only in the Theory Development forum.
It is not crackpotism. I have proved the correctness of my claims on TD Forum in a thread “Particle/wave duality on a scale of light frequencies”.
I want to notice it does not reject a duality, but on the contrary asserts it in the wider frameworks. In these frameworks I have proved also a general origin of all fundamental forces .
 
  • #53
Originally posted by Michael F. Dmitriyev
It is not crackpotism. I have proved the correctness of my claims on TD Forum in a thread “Particle/wave duality on a scale of light frequencies”.
I want to notice it does not reject a duality, but on the contrary asserts it in the wider frameworks. In these frameworks I have proved also a general origin of all fundamental forces .

If it's not crackpotism, then your claims should be proven correct by submitting them to a peer-reviewed journal, not an internet message board.
 
  • #54
Originally posted by GRQC
If it's not crackpotism, then your claims should be proven correct by submitting them to a peer-reviewed journal, not an internet message board.
Hence TD forum it is type of a specific garbage box where all that does not correspond to establishment physics is sent. Then my achievements on that forum are a vainly lost time. Can you give, please, the references or even the names of these journals...
I suspect, that I’ll have problems with publication.
 
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