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The generalisation of the Wigner-Racah angular momentum calculus

โœ Scribed by L.C. Biedenharn


Publisher
Elsevier Science
Year
1963
Weight
272 KB
Volume
3
Category
Article
ISSN
0031-9163

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Symplectic integrators and the conservat
โœ Mei-Qing Zhang; Robert D. Skeel ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 286 KB

In this article we observe that generally symplectic integrators conserve angular momentum exactly, whereas nonsymplectic integrators do not. We show that this observation extends to multiple timesteps and to constrained dynamics. Both of these devices are important for efficient molecular dynamics