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Alternative Lagrangians for Einstein Metrics
classification
🌀 gr-qc
keywords
complexlagrangiansvariationalalternativeappearscalculateclassesdecomposition
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We shall use the variational decomposition technique in order to calculate equations of motion and Noether energy-momentum complex for some classes of non-linear gravitational Lagrangians within the first-order (Palatini) formalism. In particular, a complex space-time appears as a solution of our variational problem.
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