Acceso al sitio web del Consejo de Políticas de Infraestructura
REVISTA
Computation

   
Redirigiendo al acceso original de articulo en 20 segundos...
Inicio  /  Computation  /  Vol: 2 Par: 1 (2014)  /  Artículo
ARTÍCULO
TITULO

Linear Scaling Solution of the Time-Dependent Self-Consistent-Field Equations

Matt Challacombe    

Resumen

A new approach to solving the Time-Dependent Self-Consistent-Field equations is developed based on the double quotient formulation of Tsiper 2001 (J. Phys. B). Dual channel, quasi-independent non-linear optimization of these quotients is found to yield convergence rates approaching those of the best case (single channel) Tamm-Dancoff approximation. This formulation is variational with respect to matrix truncation, admitting linear scaling solution of the matrix-eigenvalue problem, which is demonstrated for bulk excitons in the polyphenylene vinylene oligomer and the (4,3) carbon nanotube segment.

PÁGINAS
pp. 0 - 0

 Artículos similares

       
 
Henri Pörhö, Jani Tomperi, Aki Sorsa, Esko Juuso, Jari Ruuska and Mika Ruusunen    
The aim of wastewater treatment plants (WWTPs) is to clean wastewater before it is discharged into the environment. Real-time monitoring and control will become more essential as the regulations for effluent discharges are likely to become stricter in th... ver más
Revista: Applied Sciences

 
Rongjun Mu, Yanfeng Chu, Hao Zhang and Hao Liang    
This study is focused on addressing the problem of delayed measurements and contaminated Gaussian distributions in navigation systems, which both have a tremendous deleterious effect on the performance of the traditional Kalman filtering. We propose a no... ver más
Revista: Aerospace

 
Anna Bryniarska    
The paper presents a certain class of the mathematical models of diagnostic information granules describing the fuzzy symptoms-faults relationship. A certain fuzzy diagnostic information retrieval system is described as an application of an expert diagno... ver más
Revista: Applied Sciences

 
Indrit Hoxha and Taoufik Meklachi    
Curve fitting discrete data (x, y) with a smooth function is a complex problem when faced with sharply oscillating data or when the data are very large in size. We propose a straightforward method, one that is often overlooked, to fit discrete data (s" r... ver más
Revista: Algorithms

 
Javier Ibáñez, José M. Alonso, Pedro Alonso-Jordá, Emilio Defez and Jorge Sastre    
The action of the matrix exponential on a vector ???????? e A t v , ???C??×?? A ? C n × n , ???C?? v ? C n , appears in problems that arise in mathematics, physics, and engineering, such as the solution of systems of linear ordinary differential equation... ver más
Revista: Algorithms