Closed Path Integrals and Renormalisation in Quantum Mechanics
H. Jirari, H. Kröger, X. Q. Luo, K. J. M. Moriarty, S. G. Rubin
Abstract
We suggest a closed form expression for the path integral of quantum transition amplitudes. We introduce a quantum action with renormalized parameters. We present numerical results for the V x4 potential. The renormalized action is relevant for quantum chaos and quantum instantons.
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