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学科情报库 : 物理学->理论物理学

中国科学院武汉物理与数学研究所等在分子筛限域孔道溶剂化效.. 2012-06-20 转载数: 0 引用数:0 字数:736 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: 域名访问提示 ] 文章参考类型:文章
摘要:中国科学院武汉物理与数学研究所波谱与原子分子物理国家重点实验室邓风研究组与台湾原子分子所的刘尚斌研究组合作,在沸石分子筛纳米限域孔道中溶剂化效应的研究方面取得进展,揭示了在分子筛限域孔道中同一种被吸附分子之间存在着特殊的溶剂化效应,从而有效增强分子筛的表观酸强度。该研究结果已于近期发表在英国皇家化学会期刊Chemical Communications(2012, 48, 6936-6938)上。
关键词:溶剂化效应 溶剂化效应 分子筛限域
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[1206.0268] Subsonic phase t.. 2012-06-14 转载数: 0 引用数:1 字数:773 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: arxiv.org ] 文章参考类型:文章
摘要:Phase transitions waves in atomic chains with double-well potential play a fundamental role in materials science, but very little is known about their mathematical properties. In particular, the only available …
关键词:phase transitions in lattices heteroclinic travelling waves FPU-type chains kinetic relations
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[1206.1854] Fractals, cohere.. 2012-06-08 转载数: 0 引用数:0 字数:683 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: arxiv.org ] 文章参考类型:文章
摘要:The self-similarity properties of fractals are studied in the framework of the theory of entire analytical functions and the $q$-deformed algebra of coherent states. Self-similar structures are related to dissi…
关键词:self-similarity fractals squeezed coherent states noncommutative geometry dissipation
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[1206.1885] On the boundedne.. 2012-06-08 转载数: 0 引用数:0 字数:487 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: arxiv.org ] 文章参考类型:文章
摘要:We study effective potentials coming from compactifications of string theory. We show that, under mild assumptions, such potentials are bounded from below in four dimensions, giving an affirmative answer to a c…
关键词:the boundedness of effective potentials string compactifications Mathematical Physics
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[1206.1730] Local Marchenko-.. 2012-06-08 转载数: 0 引用数:0 字数:623 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: arxiv.org ] 文章参考类型:文章
摘要:Let $X_N$ be a $N\times N$ matrix whose entries are i.i.d. complex random variables with mean zero and variance $\frac{1}{N}$. We study the asymptotic spectral distribution of the eigenvalues of the covariance …
关键词:Random matrices ovariance matrices archenko-Pastur law ensity of states elocalization
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[1206.1519] Exact two-point .. 2012-06-07 转载数: 0 引用数:0 字数:601 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: arxiv.org ] 文章参考类型:文章
摘要:An analytical approach is developed to obtain the exact expressions for the two-point resistance, and the total effective resistance of the complete graph minus $N$ edges of the opposite vertices. These express…
关键词:Exact two-point resistance the simple random the complete graph minus Mathematical Physics
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[1206.1372] Relativistic for.. 2012-06-07 转载数: 0 引用数:0 字数:394 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: arxiv.org ] 文章参考类型:文章
摘要:We give a general definition of \emph{relativistic force} in the context of Lagrangian mechanics. Once this is done we prove that the only relativistic forces which are linear on the velocities are those coming…
关键词:Relativistic forces Lagangian mechanics Mathematical Physics
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[1206.1562] On a Recent Cons.. 2012-06-07 转载数: 0 引用数:0 字数:1011 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: arxiv.org ] 文章参考类型:文章
摘要:Afshordi, Aslanbeigi and Sorkin have recently proposed a construction of a distinguished "S-J state" for scalar field theory in (bounded regions of) general curved spacetimes. We establish rigorously that the p…
关键词:"Vacuum-like" Quantum Field States Curved Spacetime Mathematical Physics
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[1206.1838] Nonlinear Contra.. 2012-06-07 转载数: 0 引用数:0 字数:462 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: arxiv.org ] 文章参考类型:文章
摘要:This paper describes new results linking constrained optimization theory and nonlinear contraction analysis. Generalizations of Lagrange parameters are derived based on projecting system dynamics on the tangent…
关键词:Nonlinear dynamics nonlinear control constrained optimization Lagrange parameters sliding control
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[1206.1468] Oscillatory crit.. 2012-06-07 转载数: 0 引用数:0 字数:1592 附件:无附件
[分类信息: 物理学->理论物理学 ] [媒体: arxiv.org ] 文章参考类型:文章
摘要:Oscillatory critical amplitudes have been repeatedly observed in hierarchical models and, in the cases that have been taken into consideration, these oscillations are so small to be hardly detectable. Hierarchi…
关键词:hierarchical models iteration of polynomial maps oscillatory critical amplitudes Harris random variable geometry of Julia set
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