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Gravity’s rainbow. (English) Zbl 1051.83004
Starting from a nonlinear realization of relativity in the momentum space, an energy-dependent space-time and a corresponding energy-dependent metric is constructed. The effects of this nonlinearity (or energy-dependence) on cosmological solutions, the Schwarzschild solution, and the weak-field are investigated.

MSC:
83A05 Special relativity
83C57 Black holes
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