Can shadows connect black hole microstructures?

Abstract

We investigate the relationship between shadow radii (photosphere radii) and black hole microstructures for a static spherically symmetric black hole and confirm their close connection. As a concrete analysis, we take the Reissner-Nordstr$\ddot{\mathrm{o}}$m AdS black hole surrounded by perfect fluid dark matter (RN AdS black hole surrounded by PFDM) as an example. We calculate the Ruppeiner thermodynamic scalar curvature and shadow radius (photosphere radius) for the specific model. On the one hand, we find that the greater density of the perfect fluid dark matter makes black hole molecules more likely have attractive interactions. On the other hand, we provide the support to our general investigation that the shadow radii (photosphere radii) indeed connect the microstructures of this model.

v1: 16 pages, 5 figures

References in corpus (46)

• First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
• First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole
• P-V criticality of charged AdS black holes
• Reentrant Phase Transitions in Rotating AdS Black Holes
• Photon Regions and Shadows of Kerr-Newman-NUT Black Holes with a Cosmological Constant
• Influence of a plasma on the shadow of a spherically symmetric black hole
• Hunting for extra dimensions in the shadow of M87*
• Shadow of a black hole surrounded by dark matter
• Apparent shape of super-spinning black holes
• Insight into the Microscopic Structure of an AdS Black Hole from Thermodynamical Phase Transition
• Repulsive Interactions and Universal Properties of Charged Anti-de Sitter Black Hole Microstructures
• Thermodynamic curvature and phase transitions in Kerr-Newman black holes
• Black hole shadow in an expanding universe with a cosmological constant
• Silhouette of M87*: A new window to peek into the world of hidden dimensions
• Shadow and Quasinormal Modes of a Rotating Loop Quantum Black Hole
• Black hole shadow in a general rotating spacetime obtained through Newman-Janis algorithm
• Phase transition and Thermodynamical geometry of Reissner-Nordström-AdS Black Holes in Extended Phase Space
• Hidden symmetries, null geodesics, and photon capture in the Sen black hole
• Thermodynamic Curvature of the BTZ Black Hole
• Ruppeiner Geometry, Phase Transitions, and the Microstructure of Charged AdS Black Holes
• Galactic Dark Matter in the Phantom Field
• Rotating Black Hole Shadow in Perfect Fluid Dark Matter
• Shadows of Sgr A${}^{\ast }$ Black Hole Surrounded by Superfluid Dark Matter Halo
• Shadows, Signals, and Stability in Einsteinian Cubic Gravity
• Photon orbits and thermodynamic phase transition of $d$-dimensional charged AdS black holes
• Thermodynamic curvature and black holes
• Einstein-scalar-Gauss-Bonnet black holes: Analytical approximation for the metric and applications to calculations of shadows
• Shadow of a black hole at cosmological distance
• Thermodynamical Metrics and Black Hole Phase Transitions
• Observational signature of near-extremal Kerr-like black holes in a modified gravity theory at the Event Horizon Telescope
• Thermodynamic geometry for charged Gauss-Bonnet black holes in AdS spacetimes
• Ruppeiner thermodynamic geometry for the Schwarzschild-AdS black hole
• On thermal molecular potential among micromolecules in charged AdS black holes
• Intriguing microstructures of five-dimensional neutral Gauss-Bonnet AdS black hole
• Shadow of charged black holes in Gauss-Bonnet gravity
• Probing the relationship between the null geodesics and thermodynamic phase transition for rotating Kerr-AdS black holes
• Circular orbit of a test particle and phase transition of a black hole
• A general framework to study the extremal phase transition of black holes
• Interaction potential and thermo-correction to the equation of state for thermally stable Schwarzschild Anti-de Sitter black holes
• Critical behavior of charged AdS black holes surrounded by quintessence via an alternative phase space
• Photon sphere and reentrant phase transition of charged Born-Infeld-AdS black holes
• Photon orbits and phase transitions in Born-Infeld-dilaton black holes
• Photon Orbits and Thermodynamic Phase Transition of Regular AdS Black Holes
• Thermodynamics curvature in phase transitions for AdS black hole
• A Note on Circular Geodesics and Phase Transitions of Black Holes
• Can shadows reflect phase structures of black holes?

Cited by in corpus (5)

• Shadows of parametrized axially symmetric black holes allowing for separation of variables
• Correspondence of eikonal quasinormal modes and unstable fundamental photon orbits for Kerr-Newman black hole
• Ruppeiner Geometry of the RN-AdS Black Hole Using Shadow Formalism
• Observational Signature and Additional Photon Rings of Asymmetric Thin-shell Wormhole
• QED Effects on Kerr Black Hole Shadows immersed in uniform magnetic fields