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Molecular Symmetry, Super-Rotation, and Semiclassical Motion - New Ideas for Solving Old Problems (Hardcover, 1st ed. 2017) Loot Price: R1,974
Discovery Miles 19 740
You Save: R984 (33%)
Molecular Symmetry, Super-Rotation, and Semiclassical Motion - New Ideas for Solving Old Problems (Hardcover, 1st ed. 2017):...

Molecular Symmetry, Super-Rotation, and Semiclassical Motion - New Ideas for Solving Old Problems (Hardcover, 1st ed. 2017)

Hanno Schmiedt

Series: Springer Series on Atomic, Optical, and Plasma Physics, 97

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List price R2,958 Loot Price R1,974 Discovery Miles 19 740 | Repayment Terms: R185 pm x 12* You Save R984 (33%)

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This book presents a range of fundamentally new approaches to solving problems involving traditional molecular models. Fundamental molecular symmetry is shown to open new avenues for describing molecular dynamics beyond standard perturbation techniques. Traditional concepts used to describe molecular dynamics are based on a few fundamental assumptions, the ball-and-stick picture of molecular structure and the respective perturbative treatment of different kinds of couplings between otherwise separate motions. The book points out the conceptual limits of these models and, by focusing on the most essential idea of theoretical physics, namely symmetry, shows how to overcome those limits by introducing fundamentally new concepts. The book begins with an introduction to molecular symmetry in general, followed by a discussion of nuclear spin symmetry. Here, a new correlation between identical particle exchange and spin angular momentum symmetry of nuclei is exhibited. The central part of the book is the discussion of extremely floppy molecules, which are not describable in the framework of traditional theories. The book introduces a fundamentally new approach to describing the molecular dynamics of these molecules - the super-rotor model, which is based on a five-dimensional symmetry that has never been observed in molecules before. By applying the super-rotor theory to the prototype of floppy molecules, protonated methane, this model can consistently predict the symmetry and energy of low-energy states, which were characterized experimentally only a few years ago. The theoretical predictions agree with the experimental results, which makes the prospect of further developing the super-rotor theory and applying it to other molecules a promising one. In the final section, the book also covers the topic of ultrafast rotations, where usual quantum calculations reach their natural limits. A semi-classical method for determining rotational energies, developed in the early 1990s, is shown to be attachable to quantum calculations of the vibrational states. This new combined method is suitable for efficiently calculating ro-vibrational energies, even for molecular states with large angular momentum.

General

Imprint: Springer International Publishing AG
Country of origin: Switzerland
Series: Springer Series on Atomic, Optical, and Plasma Physics, 97
Release date: September 2017
First published: 2017
Authors: Hanno Schmiedt
Dimensions: 235 x 155mm (L x W)
Format: Hardcover
Pages: 171
Edition: 1st ed. 2017
ISBN-13: 978-3-319-66070-7
Categories: Books > Science & Mathematics > Physics > Nuclear structure physics
Books > Science & Mathematics > Mathematics > Applied mathematics > General
Books > Science & Mathematics > Chemistry > Physical chemistry > General
Books > Professional & Technical > Mechanical engineering & materials > Materials science > Mechanics of solids > Dynamics & vibration
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LSN: 3-319-66070-5
Barcode: 9783319660707

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