Abstract
In the Generator Coordinate Theory one can introduce a classical Hamiltonian in two ways. Either by considering an explicit time evolution of the Generator coordinate or by applying a kind of WKB approach. The two different definitions are compared for a Gaussian overlap space and for a further example of Redundant Double Projection spaces. The WKB choice seems to be preferable due to its close connection with the momentum expansion of the Griffin-Hill-Wheeler equation and because it is free from the zero-point energies from kinetic terms.
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Work supported by the Deutsche Forschungsgemeinschaft.
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Reinhard, P.G. Classical Hamiltonians in the generator coordinate theory. Z. Physik 266, 377–383 (1974). https://doi.org/10.1007/BF01674833
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DOI: https://doi.org/10.1007/BF01674833