Titlebook: Variational Principles in Physics; From Classical to Qu Tamás Sándor Biró Book 2023 The Editor(s) (if applicable) and The Author(s), under

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Gravity: The Optimal Curvature,Till date the theory of gravity went to the farthest on the way to interpret motion in terms of geometry: changing position does not happen in a separate time, but space and time follow a common, 4-dimensional geometry (special relativity) and the left alone bodies in this spacetime follow shortest paths, i.e. geodesics (general relativity).

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Electrodynamics: Forces, Fields, Waves,It is not customary in university courses to derive electrodynamics from a variational principle. Nevertheless two of the Maxwell equations, those with a source term, and the light and radio wave propagation equations can be obtained from a single variational principle.

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Quantum Mechanics: The Most Classical Non-classical Theory,The fundamental law of quantum mechanics is summarized in the Schr?dinger equation. In this chapter we derive this equation from a variational principle, as Schr?dinger did it himself in his original publications.

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Tamás Sándor BiróProvides the material to deepen courses in particle physics, general relativity, and group theory.Presents several tricks and mathematical concepts to gain a better understanding of the variational pr

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978-3-031-27875-4The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerl

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SpringerBriefs in Physicshttp://image.papertrans.cn/v/image/980608.jpg

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