Computational Physics

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4 domain-specific abstractions whose origin domain is Computational Physics.

• Diagrammatic Monte Carlo — A stochastic numerical method sampling and summing selected Feynman-diagram expansions for interacting many-body systems.
• Ewald summation — A convergent decomposition of periodic long-range interaction sums into rapidly decaying real-space and reciprocal-space contributions.
• Pseudospectral time-domain method — A wave-simulation method that computes spatial derivatives through global spectral transforms while advancing the field on a discrete time grid.
• Reversible reference system propagation algorithm — Integrate molecular dynamics with a symmetric multiple-time-step factorization that evaluates fast force components frequently and slow components less often while preserving time reversibility.