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Bondi Mass

The Bondi mass is an asymptotic mass associated with null infinity or with compatible hyperboloidal initial data. For an energy-momentum charge (E_B,P_B) that is future timelike, its invariant normalization is

m_B=sqrt(E_B^2-||P_B||^2).

An initial-data functional must be distinguished from a charge of a cut of null infinity, whose identification requires a compatible spacetime development.

See also

ADM Mass, Asymptotically Flat Manifold, Initial Data Set, Penrose Inequality

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References

Chruściel, P. T.; Jezierski, J.; and Łęski, S. "The Trautman-Bondi Mass of Hyperboloidal Initial Data Sets." Adv. Theor. Math. Phys. 8, 83-139, 2004. https://doi.org/10.4310/ATMP.2004.v8.n1.a2.

Cite this as:

Weisstein, Eric W. "Bondi Mass." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/BondiMass.html

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