Hybrid Monte Carlo: molecular dynamics trajectory + Metropolis accept/reject

Layer 1 — Physicsin the lattice-field-theory subtree

Duane-Kennedy-Pendleton-Roweth (1987) hybrid Monte Carlo (HMC): augment the link variables with fictitious conjugate momenta π, evolve the joint (U, π) system along a molecular-dynamics trajectory of length τ using a symplectic leap-frog…

Related concepts

Wilson gauge action: S = β Σ_□ [1 − (1/N) Re Tr U_□]

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