subsphere

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English

Etymology

From sub- +‎ sphere.

Noun

subsphere (plural subspheres)

  1. (mathematics, physics) Any of a set of spherical shells, one inside the other
    • 2012, Steven Kenneth Kauffmann, “A Self-Gravitational Upper Bound on Localized Energy, Including that of Virtual Particles and Quantum Fields, which Yields a Passable "Dark Energy" Density Estimate”, in arXiv:
      The self-gravitational correction to a localized spherically symmetric static energy distribution is obtained from the negative Newtonian gravitational work done to successively assemble each spherical energy shell in the gravitational field of the already energy-corrected subsphere which that shell abuts.