Polytropes are self-gravitating fluid spheres used in astrophysics as crude approximation of more realistic stellar models. They possess equations that have scale parameters linked to mass, energy and entropy. Since Boltzmann distribution yields unphysical results, the use of generalized entropies, such as Tsallis and Kaniadakis entropies, had been proposed. Here we discuss how these entropies are related in polytrope solutions.
Tsallis and Kaniadakis Entropic Measures in Stellar Polytropes / Sparavigna, Amelia Carolina. - In: PHILICA. - ISSN 1751-3030. - ELETTRONICO. - 2015:541(2015), pp. 1-4.
Tsallis and Kaniadakis Entropic Measures in Stellar Polytropes
SPARAVIGNA, Amelia Carolina
2015
Abstract
Polytropes are self-gravitating fluid spheres used in astrophysics as crude approximation of more realistic stellar models. They possess equations that have scale parameters linked to mass, energy and entropy. Since Boltzmann distribution yields unphysical results, the use of generalized entropies, such as Tsallis and Kaniadakis entropies, had been proposed. Here we discuss how these entropies are related in polytrope solutions.File | Dimensione | Formato | |
---|---|---|---|
Sparavigna, A. (2015). Tsallis and Kaniadakis Entropic Measures in Stellar Polytropes. PHILICA.pdf
accesso aperto
Descrizione: Articolo
Tipologia:
2. Post-print / Author's Accepted Manuscript
Licenza:
Creative commons
Dimensione
445.12 kB
Formato
Adobe PDF
|
445.12 kB | Adobe PDF | Visualizza/Apri |
Pubblicazioni consigliate
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
https://hdl.handle.net/11583/2621751
Attenzione
Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo