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Vainshtein radius

Special radius in gravitational physics From Wikipedia, the free encyclopedia

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Inside the Vainshtein radius[1]

with Planck length and Planck mass

the gravitational field around a body of mass is the same in a theory where the graviton mass is zero and where it's very small because the helicity 0 degree of freedom becomes effective on distance scales .[2]

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See also

  • Massive gravity – Theory of gravity in which the graviton has nonzero mass

References

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