Unimodular cosmology and the weight of energy

Enrique Alarcón Álvarez, Antón F. Faedo

Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology · 2007 · 56 citations · 13 references

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Abstract

Some models are presented in which the strength of the gravitational coupling of the potential energy relative to the same coupling for the kinetic energy is, in a precise sense, adjustable. The gauge symmetry of these models consists of those coordinate changes with unit Jacobian.

References

13