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.
Time delay in the Einstein-Straus solution
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abstract
The time delay of strong lensing is computed in the framework of the Einstein-Straus solution. The theory is compared to the observational bound on the time delay of the lens SDSS J1004+4112.
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astro-ph.CO 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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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.