On the gravitational energy of the Bonnor spacetime
Janusz Garecki
Abstract
Janusz Garecki
Abstract
In the paper we consider the gravitational energy and its flux in the Bonnor spacetime. We construct some non-local expressions from the Einstein canonical energy-momentum pseudotensor of the gravitational field which show that the gravitational energy and its flux in this spacetime are different from zero and do not vanish even outside of the material source (a stationary beam of the null dust) of this spacetime. KEY WORDS: gravitational superenergy, gravitational energy-momentum
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In the paper we consider the gravitational energy and its flux in the Bonnor spacetime. We construct some non-local expressions from the Einstein canonical energy-momentum pseudotensor of the gravitational field which show that the gravitational energy and its flux in this spacetime are different from zero and do not vanish even outside of the material source (a stationary beam of the null dust) of this spacetime. KEY WORDS: gravitational superenergy, gravitational energy-momentum
Key concepts: Physics, Spacetime, Gravitational energy, Linearized gravity, Gravitational field, Gravitation, Classical mechanics, Gravity Probe A