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Thermodynamic properties of an evaporation process in self-gravitating N -body systems
http://hdl.handle.net/2297/25206
http://hdl.handle.net/2297/252065bb20efe-b151-4c68-b59b-9837b72f18c6
名前 / ファイル | ライセンス | アクション |
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TE-PR-KOMATSU-N-021118.pdf (310.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Thermodynamic properties of an evaporation process in self-gravitating N -body systems | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Komatsu, Nobuyoshi
× Komatsu, Nobuyoshi× Kiwata, Takahiro× Kimura, Shigeo |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域機械工学系 | |||||
書誌情報 |
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 巻 82, 号 2, p. 21118, 発行日 2010-08-17 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1539-3755 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11558033 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1103/PhysRevE.82.021118 | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | By means of N -body simulations, we consider self-gravitating open systems enclosed in a spherical container with semipermeable reflecting walls, in order to investigate the thermodynamics of the evaporation process in self-gravitating N -body systems (such as the escape of stars from globular clusters). To simulate the evaporation process, when the energy of a particle exceeds a certain threshold value, the particle passes through the semipermeable reflecting wall freely. We show that the thermodynamic properties of the evaporation process, such as the dependence of the temperature on energy, agree well with those of stellar polytropes, if the system is in an approximate virial equilibrium state. However, in a lower-energy region or for a rapid evaporation process, the thermodynamic properties deviate from those for the stellar polytrope. Nevertheless, we found that a negative specific heat occurs even in the lower-energy region or for a rapid evaporation process. © 2010 The American Physical Society. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |