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   Articles with "optical appearance" as a keyword



High frequency pulse anodising of aluminium: Anodising kinetics and optical appearance

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recommendations! Published in 2019 at "Surface and Coatings Technology"

DOI: 10.1016/j.surfcoat.2018.12.117

Abstract: Abstract High frequency pulsed anodising of pure aluminium was investigated with an aim to understand the effect of the anodising parameters on the growth kinetics of the anodic layer and optical appearance of the anodised… read more here.

Keywords: anodising kinetics; high frequency; frequency; aluminium ... See more keywords

Particle dynamics and optical appearance of charged spherically symmetric black holes in bumblebee gravity

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recommendations! Published in 2025 at "Classical and Quantum Gravity"

DOI: 10.1088/1361-6382/ade6b9

Abstract: In this paper, we study the particle dynamics, shadow, and optical appearance of charged black holes (BHs) in bumblebee gravity. Firstly, we find that the Lorentz-violation parameter l and charge parameter Q have opposite effects… read more here.

Keywords: optical appearance; particle dynamics; appearance; gravity ... See more keywords

Optical appearance of the Schwarzschild black hole in the string cloud context*

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recommendations! Published in 2023 at "Chinese Physics C"

DOI: 10.1088/1674-1137/accad5

Abstract: The image of a black hole (BH) consists of direct and secondary images that depend on the observer position. We investigate the optical appearance of a Schwarzschild BH in the context of a string cloud… read more here.

Keywords: optical appearance; appearance schwarzschild; string cloud; black hole ... See more keywords

Charged black holes in the Kalb-Ramond background with Lorentz violation: null geodesics and optical appearance of a thin accretion disk

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recommendations! Published in 2025 at "Chinese Physics C"

DOI: 10.1088/1674-1137/adc3fc

Abstract: In this study, we investigate the optical appearance of a charged black hole in the Kalb-Ramond background, incorporating a Lorentz-violating parameter . By analyzing the null geodesics, we derive the photon sphere, event horizon, effective… read more here.

Keywords: null geodesics; optical appearance; ramond background; kalb ramond ... See more keywords