Lichnerowicz-York equation and conformal deformations on maximal slicings in asymptotically flat space-times

Physics

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Field Theory (Physics), Gravitational Fields, Relativity, Space-Time Functions, Asymptotic Methods, Conformal Mapping, Gravitational Collapse, Mathematical Models, Metric Space

Scientific paper

The properties of a smooth, time-dependent family of conformal transformations relating a physical metric to a slice of a space-like, asymptotically Euclidean maximal foliation to a flat metric region that is a function of the fourth order transformations and the physical metric are considered to obtain solutions to the Lichnerowicz-York equation. Attention is given to the properties of the scale geometry on each slice of the foliation in the case of strong field regions. The flat metric regions are found to degenerate exponentially as the average of the scalar curvature of the slice and the physical metric increases. A value is also estimated for the lapse function defining the set of slices, demonstrating that asymptotically flat maximal slicings avoid reaching regions where a singular regime is neared.

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