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action principle

2 articles

Geodesics in General Relativity: The Geometry of Free Fall

Geodesics in General Relativity: The Geometry of Free Fall In the framework of general relativity, the traditional concept of a "straight line" is expanded to accommodate the curvature of...

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Lagrangian Field Theory: Foundations and Applications in Classical Physics

Lagrangian Field Theory Lagrangian field theory is a sophisticated formalism within classical field theory that serves as the field-theoretic analogue of Lagrangian mechanics. While tradi...

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