Variational Principles in Physics

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Variational Principles in Physics is written by Jean-Louis Basdevant and published by Springer Nature. It's available with International Standard Book Number or ISBN identification 303121692X (ISBN 10) and 9783031216923 (ISBN 13).

Variational principles have proven to be surprisingly fertile. For example, Fermat used variational methods to demonstrate that light follows the fastest route from one point to another, an idea which came to be a cornerstone of geometrical optics. This book explains variational principles and charts their use throughout modern physics. It examines the analytical mechanics of Lagrange and Hamilton, the basic tools of any physicist. The book also offers simple but rich first impressions of Einstein’s General Relativity, Feynman’s Quantum Mechanics, and more that reveal amazing interconnections between various fields of physics.