63 research outputs found

    Not so Classical Mechanics - Unexpected Symmetries of Classical Motion

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    A survey of topics of recent interest in Hamiltonian and Lagrangian dynamical systems, including accessible discussions of regularization of the central force problem; inequivalent Lagrangians and Hamiltonians; constants of central force motion; a general discussion of higher-order Lagrangians and Hamiltonians with examples from Bohmian quantum mechanics, the Korteweg-de Vries equation and the logistic equation; gauge theories of Newtonian mechanics; classical spin, Grassmann numbers, and pseudomechanics.Comment: Einstein Centennial Review Article, 48 page

    Experimental progress in positronium laser physics

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    An overview of space science and engineering education at Penn State

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