66 citations · 206 across the 11 of their papers we have counts for
11 papers
Extended Thermodynamics and Renyi Entropy Beyond Fixed Central Charge
Chatchai Promsiri, Phuwadon Chunaksorn, Ratchaphat Nakarachinda +1
An outstanding problem in the framework of conformal thermodynamics concerns the interpretation of variations in the central charge . In this paper, we construct a novel central…
Optical Signatures of q-deformed solution in Einstein-Maxwell-dilaton Gravity
Chawit Sakkawattana, Chatchai Promsiri, Supakchai Ponglertsakul
We consider null geodesics in the background of spherically symmetric object in Einstein-Maxwell-Dilaton (EMD) theory with coupling function . The spherical solution…
Observing Black Hole Phase Transitions in Extended Phase Space and Holographic Thermodynamics Approaches from Optical Features
Chatchai Promsiri, Weerawit Horinouchi, Ekapong Hirunsirisawat
The phase transitions of charged Anti-de Sitter (AdS) black holes are characterized by studying null geodesics in the vicinity of the critical curve of photon trajectories around b…
Remarks on the light ring images and the optical appearance of hairy black holes in Einstein-Maxwell-dilaton gravity
Chatchai Promsiri, Weerawit Horinouchi, Ekapong Hirunsirisawat
The behaviors of null geodesics in the spherical symmetric black holes in Einstein-Maxwell-dilaton (EMD) theory with coupling function are meticulously analyzed. We…
Scalarization of planar anti de Sitter charged black holes in Einstein-Maxwell-Scalar theory
Chatchai Promsiri, Takol Tangphati, Ekapong Hirunsirisawat +1
We construct scalarized planar charged black holes in Einstein-Maxwell-scalar (EMS) theory with the presence of a negative cosmological constant. Domains of existence of black hole…
Thermodynamics of Black Holes with Rényi Entropy from Classical Gravity
Ratchaphat Nakarachinda, Chatchai Promsiri, Lunchakorn Tannukij +1
The nonextensive nature of black holes is one of the most intriguing discoveries. In fact, the black hole entropy is a nonextensive quantity that scales by its surface area at the…
Emergent Phase, Thermodynamic Geometry and Criticality of Charged Black Holes from Rényi Statistics
Ekapong Hirunsirisawat, Ratchaphat Nakarachinda, Chatchai Promsiri
Recently, a novel emergent phase can occur from thermodynamic consideration of the asymptotically flat Reissner-Nordström black hole (RN-AF) using Rényi statistics. We present an a…
Solid/Liquid Phase Transition and Heat Engine in Asymptotically Flat Schwarzschild Black Hole via the Rényi Extended Phase Space Approach
Chatchai Promsiri, Ekapong Hirunsirisawat, Watchara Liewrian
Recently, it has been found that, with the Rényi statistics, the asymptotically flat Schwarzschild black hole can be in thermal equilibrium with infinite heat reservior at a fixed…
Thermodynamics and Van der Waals Phase Transition of Charged Black Holes in Flat Space via Rényi Statistics
Chatchai Promsiri, Ekapong Hirunsirisawat, Watchara Liewrian
The phase structure and critical phenomena of the 3+1 dimensional charged black holes in asymptotically flat spacetime are investigated in terms of thermodynamic properties within…
Thermodynamics and Phase Transition of Spherically Symmetric Black Hole in de Sitter Space from Rényi Statistics
Lunchakorn Tannukij, Pitayuth Wongjun, Ekapong Hirunsirisawat +2
Schwarzschild black holes in a de Sitter background were studied in terms of their thermodynamics based on the Rényi statistics. This led to thermodynamically stable black hole con…
The Mixed Phase of Charged AdS Black holes
Piyabut Burikham, Chatchai Promsiri
We study the mixed phase of charged AdS black hole and radiation when the total energy is fixed below the threshold to produce a stable charged black hole branch. The coexistence c…