Regimes in astrophysical lensing: refractive optics, diffractive optics, and the Fresnel scale

ABSTRACT Astrophysical lensing has typically been studied in two regimes: diffractive optics and refractive optics. Previously, it has been assumed that the Fresnel scale, RF, is the relevant physical scale that separates these two regimes. With the recent introduction of Picard–Lefschetz theory to...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2023-10, Vol.525 (2), p.2107-2124
Hauptverfasser:	Jow, Dylan L, Pen, Ue-Li, Feldbrugge, Job
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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