Wavelet approximation of correlated wave functions. II. Hyperbolic wavelets and adaptive approximation schemes

2002 ◽  
Vol 117 (8) ◽  
pp. 3625-3638 ◽  
Author(s):  
Hongjun Luo ◽  
Dietmar Kolb ◽  
Heinz-Jürgen Flad ◽  
Wolfgang Hackbusch ◽  
Thomas Koprucki
2016 ◽  
Vol 254 (1) ◽  
pp. 1600166 ◽  
Author(s):  
Jörg Bünemann ◽  
Thorben Linneweber ◽  
Florian Gebhard

2003 ◽  
Vol 17 (28) ◽  
pp. 5311-5325 ◽  
Author(s):  
HERMANN G. KÜMMEL

The origins of the coupled cluster method are described. Special attention is paid to the arguments put forward for the exponential structure of the wave functions. Various approximation schemes invented during the last 40 years are presented. The problems arising from these approximations necessarily truncating or destroying the exponential form are discussed and ways to deal with them are described.


2002 ◽  
Vol 116 (22) ◽  
pp. 9641-9657 ◽  
Author(s):  
Heinz-Jürgen Flad ◽  
Wolfgang Hackbusch ◽  
Dietmar Kolb ◽  
Reinhold Schneider

2001 ◽  
Vol 171 (12) ◽  
pp. 1365
Author(s):  
E.E. Vdovin ◽  
Yu.N. Khanin ◽  
Yu.V. Dubrovskii ◽  
A. Veretennikov ◽  
A. Levin ◽  
...  

2019 ◽  
Author(s):  
Vitaly Kuyukov

Modern general theory of relativity considers gravity as the curvature of space-time. The theory is based on the principle of equivalence. All bodies fall with the same acceleration in the gravitational field, which is equivalent to locally accelerated reference systems. In this article, we will affirm the concept of gravity as the curvature of the relative wave function of the Universe. That is, a change in the phase of the universal wave function of the Universe near a massive body leads to a change in all other wave functions of bodies. The main task is to find the form of the relative wave function of the Universe, as well as a new equation of gravity for connecting the curvature of the wave function and the density of matter.


1979 ◽  
Vol 44 (9) ◽  
pp. 2633-2638 ◽  
Author(s):  
Hans-Jörg Hofmann ◽  
Josef Kuthan

The conformation of nicotinamide (I) and 1-methyl-1,4-dihydronicotinamide (II) was examined using the NDDO method. The influence of solvent on the molecular structure of the title compounds was estimated by means of a continuum model. Analysis of the NDDO wave functions contributes to the knowledge about the mechanism of the NADH reduction.


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