Vainshtein radius

Inside the Vainshtein radius

$r_{V}=l_{\text{P}}\left({\frac {m_{\text{P}}^{3}M}{m_{G}^{4}}}\right)^{\frac {1}{5}}$

with Planck length $l_{\text{P}}$ and Planck mass $m_{\text{P}}$

the gravitational field around a body of mass $M$ is the same in a theory where the graviton mass $m_{G}$ is zero and where it's very small because the helicity 0 degree of freedom becomes effective on distance scales $r\gg r_{V}$.

See also

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