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  • How do Gravitons work? as compared to photons
    $\begingroup$ (+1) If light deflected near a black hole emits graviton (gravitational bremsstrahlung), how to detect it, and would a graviton look just like a photon with extremely low wavelength? $\endgroup$ –
  • quantum gravity - What is a graviton? - Physics Stack Exchange
    A graviton is a particle that carries gravitation So as to explain that: imagine you have two point particles moving away from each other Particle A sends a graviton towards particle B, and starts moving towards particle B Then particle B receives the graviton and starts moving towards particle A
  • Mathematically, what is a graviton? - Physics Stack Exchange
    The rank-2 tensor in 4 dimensions admits 16 free variables Is this the case for a graviton -- all 16 free variables are admitted, no restriction on the freedom? Can one represent a graviton with a matrix If so, can you provide an example of such a matrix --- if for no other reason than to fix the idea
  • The energy of a Graviton - Physics Stack Exchange
    Each graviton will then carry about 10^-30 ergs, a very small amount According to the Wikipedia gravitational wave article the sun earth system emits 200 watts of gravitational radiation, but this would typically emit 10^-34 erg gravitons
  • How do gravitons and photons interact? - Physics Stack Exchange
    Gravitational lensing (light being "bent" by stars for instance) relates to general relativity, the graviton is a theorised particle in quantum field theory There is currently no complete and accepted theory of quantum gravity which connects the two
  • Nature of gravity: gravitons, curvature of space-time or both?
    The rigorous soft graviton theorem was established by Gross and Jackiw in Phys Rev 166 (1968) 1287 As far as I remember, they consider a graviton scattering by a spin-0 particle, but the theorem is valid for any spin because of the reason I mention above $\endgroup$ –
  • How do I derive the Feynman rules for graviton-photon coupling?
    Is this simplification helpful in deriving the graviton-photon vertex? Please advise on how to derive the Feynman rules (I still haven't got the hang of deriving Feynman rules from arbitrary lagrangians I get stuck every time ) The result should read
  • What is the relationship between a gravitational wave and a graviton?
    the graviton is a hypothetical elementary particle I understand that relativity and quantum mechanics are not well integrated, and that this gravitational wave is a macro-scale phenomenon that, experimentally, doesn't have much to do with particles
  • quantum gravity - What do gravitons do? - Physics Stack Exchange
    In quantum field theory, one constructs fields from representations of the Poincare group The Poincare group has a rotation subgroup, so the fields have certain transformation properties under rotations, which we refer loosely to as the particle's spin From this viewpoint, the graviton is the unique particle that has zero mass and spin 2





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