نتایج جستجو برای: exchange correlation

تعداد نتایج: 573589  

2015
Yuan-Ming Lee Kuan-Min Wang

Dynamic heterogeneous panel analysis of the correlation between stock prices and exchange rates Yuan-Ming Lee & Kuan-Min Wang To cite this article: Yuan-Ming Lee & Kuan-Min Wang (2015) Dynamic heterogeneous panel analysis of the correlation between stock prices and exchange rates, Economic ResearchEkonomska Istraživanja, 28:1, 749-772, DOI: 10.1080/1331677X.2015.1084889 To link to this article:...

2000
Terumasa Yamasaki Daniel T. Mainz William A. Goddard

We apply correlation analysis of chemical bonds (CACB) to simple organic reaction paths. CACB, an operatorbased formalism for analyzing the electronic structure for molecule, clarifies how bond exchange processes relate to changes in covalent bond orders and bond interaction coefficients. For single bond-exchange processes, the bonds correlation typically is negative for interchanging bonds. Fo...

2008
Mariana M. Odashima

Density-functional theory requires ever better exchange-correlation (xc) functionals for the ever more precise description of many-body effects on electronic structure. Universal constraints on the xc energy are important ingredients in the construction of improved functionals. Here we investigate one such universal property of xc functionals: the Lieb-Oxford lower bound on the exchange-correla...

2003
Koujin Takeda Ikuo Ichinose

S = 12 quantum spin chains and ladders with random exchange coupling are studied by using an effective low-energy field theory and transfer matrix methods. Effects of the nonlocal correlations of exchange couplings are investigated numerically. In particular we calculate localization length of magnons, density of states, correlation functions and multifractal exponents as a function of the corr...

2003
S. D. Gottschalk S. G. Hall

This paper investigates the relationship between exchange rate uncertainty and the location of US foreign direct investment in Europe. We adopt a mean-variance approach to the standard q theory of investment in order to highlight the impact of exchange rate volatility and exchange rate correlation on investment. A firm concerned with both maximizing profits and minimizing risk would exploit any...

2011
Shihong Zeng

At the end of 2010 China’s foreign exchange reserve reached $2847.34 billion, the author designs the maximum government utility function when consider the China government buys a part foreign exchange if company earns, it means that the China government will increase Ren-Min-Bi Yuan. And it will cause inflation. The inflation will cause disutility to government. Finally it gets the optimal fuct...

Journal: :The Journal of chemical physics 2012
Weitao Yang Aron J Cohen Paula Mori-Sánchez

The conventional analysis of Perdew and Levy, and Sham and Schlüter shows that the functional derivative discontinuity of the exchange-correlation density functional plays a critical role in the correct prediction of bandgaps, or the chemical hardness. In a recent work by the present authors, explicit expressions for bandgap prediction with all common types of exchange-correlation functionals h...

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