The Quantum-mechanical Theory of an Elementary Act

1986 ◽  
pp. 77-125
Author(s):  
L. I. Krishtalik
Keyword(s):  
Quantum Mechanical ◽  
Mechanical Theory ◽  
Quantum Mechanical Theory

The role of the basis set and the level of quantum mechanical theory in the prediction of the structure and reactivity of cisplatin

2012 ◽  
Vol 33 (29) ◽  
pp. 2292-2302 ◽  
Author(s):  
Diego Paschoal ◽  
Bruna L. Marcial ◽  
Juliana Fedoce Lopes ◽  
Wagner B. De Almeida ◽  
Hélio F. Dos Santos
Keyword(s):  
Basis Set ◽  
Quantum Mechanical ◽  
Mechanical Theory ◽  
Quantum Mechanical Theory

scholarly journals The Einstein–Infeld–Hoffmann legacy in mathematical relativity II. Quantum laws of motion for singularities of spacetime

2019 ◽  
Vol 28 (11) ◽  
pp. 1930018
Author(s):  
A. Shadi Tahvildar-Zadeh ◽  
Michael K. H. Kiessling
Keyword(s):  
Finite Number ◽  
Relativistic Quantum ◽  
Quantum Mechanical ◽  
Mechanical Theory ◽  
Quantum Mechanical Theory ◽  
Theory Of Motion ◽  
Recent Developments ◽  
Laws Of Motion

We report on recent developments toward a relativistic quantum-mechanical theory of motion for a fixed, finite number of electrons, photons and their anti-particles, as well as its possible generalizations to other particles and interactions.

The quantum mechanical theory of environmental effects

1960 ◽  
Vol 255 (1280) ◽  
pp. 63-68 ◽  
Keyword(s):  
Wave Function ◽  
Environmental Effects ◽  
Quantum Mechanical ◽  
Mechanical Theory ◽  
Wave Mechanics ◽  
Quantum Mechanical Theory ◽  
The Individual

A basic postulate of wave mechanics is that the wave function of a microscopic system develops in time according to the equation iℏ∂ψ/∂ t = H ψ, where H , the Hamiltonian, is an operator which in general depends upon the time. If, and only if, the Hamiltonian is time-independent, then the solutions of this equation take the form ψ( q, t ) = ∑ n c n Ѱ n ( q )e -1 E n t /ℏ , (2) where the individual terms Ѱ n ( q ) are functions of the co-ordinates alone and the E n are the corresponding eigenvalues of the Hamiltonian, satisfying HѰ n = E n Ѱ n . (3)

scholarly journals The Chemical Composition of Planetary Nebulae

1968 ◽  
Vol 34 ◽  
pp. 209-223 ◽  
Author(s):  
Lawrence H. Aller ◽  
Stanley J. Czyzak
Keyword(s):  
Chemical Composition ◽  
Planetary Nebulae ◽  
Quantum Mechanical ◽  
Physical Parameters ◽  
Chemical Compositions ◽  
Mechanical Theory ◽  
Gaseous Nebulae ◽  
Quantum Mechanical Theory ◽  
The One

The problem of the determination of the chemical compositions of planetary and other gaseous nebulae constitutes one of the most exasperating problems in astrophysics. On the one hand, the problem appears to be conceptually simple – the mechanisms of excitation of the various lines appear to be well understood and the necessary physical parameters can be obtained by quantum mechanical theory. Yet the task is a difficult one and we want to explore some of the significant features.

Quantum-mechanical theory of scattering and the problem of classical limit

1991 ◽  
Vol 106 (5) ◽  
pp. 511-523 ◽  
Author(s):  
A. N. Basu ◽  
S. Sengupta
Keyword(s):  
Classical Limit ◽  
Quantum Mechanical ◽  
Mechanical Theory ◽  
Quantum Mechanical Theory
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