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Arakida, H. The optical geometry definition of the total deflection angle of a light ray in curved spacetime. (English) Zbl 1492.83024 J. Cosmol. Astropart. Phys. 2021, No. 8, Paper No. 28, 25 p. (2021). MSC: 83C56 83C50 78A45 53C21 78A60 70S15 83C57 PDFBibTeX XMLCite \textit{H. Arakida}, J. Cosmol. Astropart. Phys. 2021, No. 8, Paper No. 28, 25 p. (2021; Zbl 1492.83024) Full Text: DOI arXiv
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He, Hong-Jian; Zhang, Zhen Direct probe of dark energy through gravitational lensing effect. (English) Zbl 1515.83022 J. Cosmol. Astropart. Phys. 2017, No. 8, Paper No. 36, 29 p. (2017). MSC: 83B05 PDFBibTeX XMLCite \textit{H.-J. He} and \textit{Z. Zhang}, J. Cosmol. Astropart. Phys. 2017, No. 8, Paper No. 36, 29 p. (2017; Zbl 1515.83022) Full Text: DOI arXiv