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June 9, 2026Open Access

Probing deformed Kiselev-AdS Black Holes Surrounded by a Cloud of Strings through Thermodynamics, Radiative Features, and Shadow Observables

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Authors

FAFaizuddin AhmedGlobal UniversityAAAhmad AlbadawiAl-Hussein Bin Talal UniversityESEdilberto Oliveira SilvaUniversidade Federal do Maranhão

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Overview

Randomized trial explores thermodynamic and optical properties of black holes with string clouds, suggesting new features of black hole shadows.

Key Points

  • This research aims to analyze the thermodynamic and optical characteristics of deformed Kiselev-AdS black holes surrounded by string clouds within a quintessence field.
  • Derived horizon thermodynamics including Hawking temperature and Smarr relation.
  • Analyzed geometrics of Hawking radiation through absorption cross-section calculations.
  • Numerically studied the photon sphere and black-hole shadow modifications based on deformation and string cloud.
  • Identified that deformation and string cloud affect the optical radius of black holes significantly.
  • Sought alignment of the theoretical shadow radius with observational data from M87* and Sgr A*.
  • Noted that complete constraints require multidimensional parameter space analysis.

Cite This Study

Ahmed et al. (2026) studied this question.

synapsesocial.com/papers/6a27ae3fa963992e162684ffhttps://doi.org/10.5281/zenodo.20584584
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