- #1
spaghetti3451
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The ADM formalism gives a definition for the energy (Hamiltonian) of a static, asymptotically flat spacetime. This energy can be equated to the mass of the matter (for example, a black hole) which resides in this spacetime.
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What is the physical mechanism which allows us to equate the energy of a spacetime with the mass of the matter which resides in the spacetime?
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What is the physical mechanism which allows us to equate the energy of a spacetime with the mass of the matter which resides in the spacetime?