Article(id=1322944045227582080, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1322943296305247200, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1198598400000, receivedDateStr=2007-12-26, revisedDate=1214582400000, revisedDateStr=2008-06-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1793344039494, onlineDateStr=2026-10-30, pubDate=1239724800000, pubDateStr=2009-04-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793344039494, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793344039494, creator=13701087609, updateTime=1793344039494, updator=13701087609, issue=Issue{id=1322943296305247200, tenantId=1146029695717560320, journalId=1255847867265597444, year='2009', volume='23', issue='2', pageStart='81', pageEnd='160', issueExtLink='null', onlineDate='null', pubDate='1239724800000', pubDateStr='2009-04-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343860936, creator='13701087609', updateTime=1793343860936, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=137, endPage=142, ext={EN=ArticleExt(id=1322944045424714369, articleId=1322944045227582080, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Three-Body Interactions and Shock Compression Properties of Condensed Nitrogen, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Based on ab initio calculation of quantum-chemical theory, the repulsive potential among three nitrogen molecules (N2)3, as well as that between two nitrogens (N2)2, were calculated for a large amount of molecular directions from randomly sampling. The molecular distance and the geometry of the considered (N2)3 count the multi-body correlations in condensed nitrogen, and spherically averaged approximation of the orientation described the effect of high temperature. An analytic formula of the effective pair potential, which includes effects from various 3-body interactions, was proposed. It is found that three-body contribution obviously soften the average pair potential. The newly determined repulsive potential, combined with van der Waals long-range correlation, was used to predict Hugoniot curve of liquid nitrogen by the fluid-perturbation variational statistical theory. The good agreement between theoretical Hugoniot and the available experimental data indicates that the present scheme for the effective pair potential is reliable.

, authors=Yan-Yun SUN1, 2, Fu-Sheng LIU1, Ming-Jian ZHANG1, Li-Hua XU2, authorsList=Yan-Yun SUN, Fu-Sheng LIU, Ming-Jian ZHANG, Li-Hua XU, authorCompany=null, correspAuthors=Fu-Sheng LIU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322944045672178306, articleId=1322944045227582080, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=高温高密度条件下氮分子三体关联效应与冲击压缩特性, columnId=null, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

基于量子化学从头计算方法,计算了处于高密度条件下氮分子之间的两体排斥势和三体关联势,并采用球面平均近似求得了它们各自的高温平均势能值,得到了包括三体关联效应的等效两体势函数与分子间距的解析关系。借助分子流体微扰变分理论,并考虑van der Waals长程作用,分别采用总平均两体势和总等效两体势,计算了液氮的冲击压缩曲线。计算结果表明,在不需要考虑分子离解的压缩范围内(1~35 GPa),三体关联效应的贡献使分子间总等效两体势函数比单独两个分子间总平均作用势函数明显软化,与实验Hugoniot数据结果一致。

, authors=孙燕云1, 2, 刘福生1, 张明建1, 徐利华2, authorsList=孙燕云, 刘福生, 张明建, 徐利华, authorCompany=null, correspAuthors=刘福生, authorNote=

孙燕云(1980—),女,博士研究生,主要从事物理力学与凝聚态物理方面研究. E-mail:

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刘福生(1966—),男,研究员,博士生导师,主要从事高压物理、原子分子物理以及冲击波技术研究. E-mail:
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高温高密度条件下氮分子三体关联效应与冲击压缩特性
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孙燕云 1, 2 , 刘福生 1 , 张明建 1 , 徐利华 2
高压物理学报 | 2009,23(2): 137-142
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高压物理学报 | 2009 , 23 (2) : 137 -142
高温高密度条件下氮分子三体关联效应与冲击压缩特性
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孙燕云(1980—),女,博士研究生,主要从事物理力学与凝聚态物理方面研究. E-mail:

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孙燕云1, 2 , 刘福生1 , 张明建1, 徐利华2
作者信息
  • 1.西南交通大学高压物理实验室,四川 成都 610031
  • 2.西南交通大学物理科学与技术学院,四川 成都 610031
通讯作者:
刘福生(1966—),男,研究员,博士生导师,主要从事高压物理、原子分子物理以及冲击波技术研究. E-mail:
作者简介:

孙燕云(1980—),女,博士研究生,主要从事物理力学与凝聚态物理方面研究. E-mail:

Three-Body Interactions and Shock Compression Properties of Condensed Nitrogen
Yan-Yun SUN1, 2 , Fu-Sheng LIU1 , Ming-Jian ZHANG1, Li-Hua XU2
Affiliations
  • 1.Laboratory of High Pressure Physics, Southwest Jiaotong University, Chengdu 610031, China
  • 2.College of Physics Science and Technology, Southwest Jiaotong University, Chengdu 610031, China
出版时间: 2009-04-15
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基于量子化学从头计算方法,计算了处于高密度条件下氮分子之间的两体排斥势和三体关联势,并采用球面平均近似求得了它们各自的高温平均势能值,得到了包括三体关联效应的等效两体势函数与分子间距的解析关系。借助分子流体微扰变分理论,并考虑van der Waals长程作用,分别采用总平均两体势和总等效两体势,计算了液氮的冲击压缩曲线。计算结果表明,在不需要考虑分子离解的压缩范围内(1~35 GPa),三体关联效应的贡献使分子间总等效两体势函数比单独两个分子间总平均作用势函数明显软化,与实验Hugoniot数据结果一致。

两体势  /  三体关联效应  /  液氮  /  Hugoniot

Based on ab initio calculation of quantum-chemical theory, the repulsive potential among three nitrogen molecules (N2)3, as well as that between two nitrogens (N2)2, were calculated for a large amount of molecular directions from randomly sampling. The molecular distance and the geometry of the considered (N2)3 count the multi-body correlations in condensed nitrogen, and spherically averaged approximation of the orientation described the effect of high temperature. An analytic formula of the effective pair potential, which includes effects from various 3-body interactions, was proposed. It is found that three-body contribution obviously soften the average pair potential. The newly determined repulsive potential, combined with van der Waals long-range correlation, was used to predict Hugoniot curve of liquid nitrogen by the fluid-perturbation variational statistical theory. The good agreement between theoretical Hugoniot and the available experimental data indicates that the present scheme for the effective pair potential is reliable.

pair potential  /  three-body interactions  /  liquid nitrogen  /  Hugoniot
孙燕云, 刘福生, 张明建, 徐利华. 高温高密度条件下氮分子三体关联效应与冲击压缩特性. 高压物理学报, 2009 , 23 (2) : 137 -142 .
Yan-Yun SUN, Fu-Sheng LIU, Ming-Jian ZHANG, Li-Hua XU. Three-Body Interactions and Shock Compression Properties of Condensed Nitrogen[J]. Chinese Journal of High Pressure Physics, 2009 , 23 (2) : 137 -142 .
  • 国家自然科学基金(10874141)
  • 国家自然科学基金委员会-中国工程物理研究院NASF联合基金(10376027)
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2009年第23卷第2期
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  • 接收时间:2007-12-26
  • 首发时间:2026-10-30
  • 出版时间:2009-04-15
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出版历史
  • 收稿日期:2007-12-26
  • 修回日期:2008-06-28
基金
国家自然科学基金(10874141)
国家自然科学基金委员会-中国工程物理研究院NASF联合基金(10376027)
作者信息
    1.西南交通大学高压物理实验室,四川 成都 610031
    2.西南交通大学物理科学与技术学院,四川 成都 610031

通讯作者:

刘福生(1966—),男,研究员,博士生导师,主要从事高压物理、原子分子物理以及冲击波技术研究. E-mail:
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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