The stitching method reduces a high-dimensional real-time path integral to low-dimensional integrals and fast Fourier transforms, demonstrated on quantum mechanical barrier potentials.
For aqn outside these regions, the potentialP m V ( ¯q) is free of singularities (see fig
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Efficient evaluation of real-time path integrals
The stitching method reduces a high-dimensional real-time path integral to low-dimensional integrals and fast Fourier transforms, demonstrated on quantum mechanical barrier potentials.