3 papers
gr-qc2026
New gravitational instanton: shadow of an extra dimension
Reinoud Jan Slagter
We present an exact gravitational instanton solution on a five-dimensional, conformally invariant, Kerr-like warped Riemannian brane-world manifold. The geometry can be described a…
gr-qc2026
A New Self-Dual Gravitational Instanton Solution on a Local Conformal Kählerian Manifold in a Brane World Model
Reinoud Jan Slagter
An exact gravitational instanton solution on a vacuum Kerr-like warped spacetime in conformal dilaton gravity is found. Remarkably, the metric solution results from a first-order P…
hep-th2025
Primordial Black Holes and Instantons: Shadow of an Extra Dimension
Reinoud Jan Slagter
We investigated an exact solution in a conformal invariant Randall-Sundrum 5D warped brane world model on a time dependent Kerr-like spacetime. The singular points are determined b…