dorsal/arxiv
View SchemaMetastable and stable equilibrium states of stellar electron-nuclear plasmas
| Authors | F. Ferro, A. Lavagno, P. Quarati |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0501050 |
| URL | https://arxiv.org/abs/nucl-th/0501050 |
| DOI | 10.1016/j.physleta.2005.01.011 |
| Journal | Phys.Lett. A336 (2005) 370-377 |
Abstract
By minimizing free energy density, we show that the stellar core of a hydrogen burning star is not in a global thermodynamical equilibrium unless density, temperature, mass and composition assume given values. The core (as the solar interior) may be viewed more appropriately as a metastable state with very long lifetime. Slightly non-extensive distribution function could be the natural distribution for a weakly non-ideal plasma like a stellar core and represents a more appropriate approximation to this system than a Maxwellian distribution, without affecting bulk properties of stars.
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"abstract": "By minimizing free energy density, we show that the stellar core of a\nhydrogen burning star is not in a global thermodynamical equilibrium unless\ndensity, temperature, mass and composition assume given values. The core (as\nthe solar interior) may be viewed more appropriately as a metastable state with\nvery long lifetime. Slightly non-extensive distribution function could be the\nnatural distribution for a weakly non-ideal plasma like a stellar core and\nrepresents a more appropriate approximation to this system than a Maxwellian\ndistribution, without affecting bulk properties of stars.",
"arxiv_id": "nucl-th/0501050",
"authors": [
"F. Ferro",
"A. Lavagno",
"P. Quarati"
],
"categories": [
"nucl-th",
"astro-ph",
"cond-mat.stat-mech",
"hep-ph"
],
"doi": "10.1016/j.physleta.2005.01.011",
"journal_ref": "Phys.Lett. A336 (2005) 370-377",
"title": "Metastable and stable equilibrium states of stellar electron-nuclear plasmas",
"url": "https://arxiv.org/abs/nucl-th/0501050"
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