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Quadratic Diffusion Monte-Carlo Algorithms for Solving Atomic Many-Body Problems
(American Physical Society, 1990)
The diffusion Monte Carlo algorithm with and without importance sampling is analyzed in terms of the algorithm's underlying transfer matrix. The crucial role played by the Langevin algorithm in the importance-sampling ...
Electron-Ion Dynamics - a Technique for Simulating both Electronic-Transitions and Ionic Motion in Molecules and Materials
(American Physical Society, 1994)
Long-wavelength anomalous diffusion mode in the two-dimensional XY dipole magnet
(American Physical Society, 1997)
In a two-dimensional XY ferromagnet the dipole force induces a strong interaction between spin waves in the long-wavelength limit. The major effect of this interaction is the transformation of a propagating spin wave into ...