Analytic continuation of noisy imaginary-time Green's functions G(τ) to spectral functions A(ω). A transformer-encoder VAE decodes a simple pole expansion with causality, sum rules and asymmetry built in. One model serves any β and Δτ.
pytorch transformer computational-physics quantum-monte-carlo variational-autoencoder condensed-matter-physics greens-function analytic-continuation spectral-function
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Updated
Oct 24, 2026 - Python