Derivation from Schwarzschild-de Sitter null geodesics recovers the standard time-delay split as the leading small-angle term, with the first correction intrinsic to the Schwarzschild metric and adding no new cosmological dependence.
The Contribution of the Cosmological Constant to the Relativistic Bending of Light Revisited
4 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We study the effect of the cosmological constant $\Lambda$ on the bending of light by a concentrated spherically symmetric mass. Contrarily to previous claims, we show that when the Schwarzschild-de Sitter geometry is taken into account, $\Lambda$ does indeed contribute to the bending.
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A conformal isothermal reformulation of optical geometry converts the Gauss-Bonnet area term for weak deflection into boundary integrals evaluated on a flat reference ray, reproducing known finite-distance results for Schwarzschild, Reissner-Nordström, and Kottler spacetimes.
A reference-renormalized curvature-primitive Gauss-Bonnet formalism computes finite-distance weak deflection angles in static spherical spacetimes without invoking photon spheres.
The paper reviews standard derivations of light deflection in curved spacetime and presents a unified geometric approach for static and rotating gravitational fields.
citing papers explorer
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Gravitational lensing time delay beyond the Shapiro/geometry split
Derivation from Schwarzschild-de Sitter null geodesics recovers the standard time-delay split as the leading small-angle term, with the first correction intrinsic to the Schwarzschild metric and adding no new cosmological dependence.
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Boundary-only weak deflection angles from isothermal optical geometry
A conformal isothermal reformulation of optical geometry converts the Gauss-Bonnet area term for weak deflection into boundary integrals evaluated on a flat reference ray, reproducing known finite-distance results for Schwarzschild, Reissner-Nordström, and Kottler spacetimes.
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Reference-renormalized curvature-primitive Gauss-Bonnet formalism for finite-distance weak gravitational lensing in static spherical spacetimes
A reference-renormalized curvature-primitive Gauss-Bonnet formalism computes finite-distance weak deflection angles in static spherical spacetimes without invoking photon spheres.
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Weak Gravitational Lensing: A Brief Overview
The paper reviews standard derivations of light deflection in curved spacetime and presents a unified geometric approach for static and rotating gravitational fields.