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Group Theory and its Applications
Author(s): Prasanta Kumar Patra, Ram Kumar Thapa

ISBN:    978-81-8487-426-6 
Publication Year:   2018
Pages:   194
Binding:   Paper Back
Dimension:   160mm x 240mm
Weight:   350


About the book

GROUP THEORY AND ITS APPLICATIONS explains in detail how to determine the symmetry operations and symmetry elements of different molecules and then goes on to present how to determine the character tables of different groups with examples illustrating the procedure in full detail. Group theory is an abstract mathematical tool that underlies the study of symmetry and invariance. By using the concepts of symmetry and group theory, it is possible to obtain the members of complete set of known basis functions of the various irreducible representations of the group. In practice this is achieved by applying the projection operators to the linear combinations of atomic orbital (LCAO) when the valence electrons are tightly bound to the ions, to orthogonalized plane waves (OPW) when valence electrons are nearly free and to the other given functions that are suitable to a particular system under consideration. In solid state physics, the group theory is indispensable in the context of finding the energy bands of electrons in solids. It can also be applied to electron emission spectroscopy to derive basis functions by projection operator method to calculate currents like in photoemission or photofield emissions. Group theory has many applications in physics and chemistry, for example, this is used to classify crystal structures, the symmetry of molecules and to determine physical properties such as polarity, spectroscopic properties useful for Raman spectroscopy and infrared spectroscopy and to construct molecular orbitals. It is written for physicists at an introductory level, keeping in view that a beginner will be able to understand the concepts relevant to the treatment of problems in physics.

Table of Contents

Introduction / Group Theory / Character Tables for Point Groups / Basis Functions by using Projection Operator Method / Applications of Group Theory / References / Index.


Undergraduate and Postgraduate Students and Researchers


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