LeapfrogLayers: A Trainable Framework for Effective Topological Sampling

12/02/2021
by   Sam Foreman, et al.
10

We introduce LeapfrogLayers, an invertible neural network architecture that can be trained to efficiently sample the topology of a 2D U(1) lattice gauge theory. We show an improvement in the integrated autocorrelation time of the topological charge when compared with traditional HMC, and propose methods for scaling our model to larger lattice volumes. Our implementation is open source, and is publicly available on github at https://github.com/saforem2/l2hmc-qcd

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