Friday 31 January 2025
Black holes have long fascinated scientists, and researchers have been studying their behavior for decades. Recently, a team of physicists has made a significant breakthrough in understanding the thermodynamic properties of black holes using non-extensive entropy frameworks.
Thermodynamics is the study of heat, temperature, and energy transfer between systems. In the context of black holes, thermodynamics helps us understand how they behave and interact with their surroundings. One of the most important concepts in thermodynamics is entropy, which measures the disorder or randomness of a system.
Traditionally, entropy has been calculated using the Bekenstein-Hawking formula, but this approach has its limitations. In recent years, researchers have explored non-extensive entropy frameworks, such as R´enyi and Sharma-Mittal entropies, to better understand black hole behavior.
The new study uses these non-extensive entropy frameworks to investigate the thermodynamic topology of AdS Reissner-Nordstr¨om (R-N) black holes. AdS stands for anti-de Sitter, a space-time that is commonly used in theoretical physics to model black holes.
The researchers found that the topological charges of black holes are influenced by the non-extensive parameters used in the entropy calculations. Specifically, they discovered that increasing the parameter λ in R´enyi entropy or α and β in Sharma-Mittal entropy can lead to multiple topological charges with a total charge of +1.
This finding has significant implications for our understanding of black hole thermodynamics. Traditionally, black holes have been thought of as having a single stable state, but this new research suggests that they may be capable of existing in multiple states depending on the non-extensive parameters used to describe them.
The study also found that when the parameter λ is set to zero, the equations align with the Bekenstein-Hawking entropy structure. This means that traditional thermodynamic approaches can still be used to understand black hole behavior under certain conditions.
However, when the non-extensive parameters are included, the equations exhibit different behaviors that cannot be explained by traditional thermodynamics. This highlights the importance of using non-extensive entropy frameworks to better understand complex systems like black holes.
The researchers believe that their findings could have significant implications for our understanding of the universe and its many mysteries. By exploring the thermodynamic properties of black holes, scientists may be able to gain new insights into the behavior of matter and energy at the most fundamental level.
Cite this article: “Unraveling Black Hole Thermodynamics: New Insights from Non-Extensive Entropy Frameworks”, The Science Archive, 2025.
Black Holes, Thermodynamics, Entropy, Non-Extensive Entropy Frameworks, R´Enyi Entropy, Sharma-Mittal Entropy, Ads Reissner-Nordstr¨Om Black Holes, Topological Charges, Bekenstein-Hawking Formula
Reference: Saeed Noori Gashti, “Topology of Holographic Thermodynamics within Non-extensive Entropy” (2024).







