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The Heisenberg spin system II

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Tetsuya
Matsuno
This is an "N=100 version" of the previous sketch, "The Heisenberg spin system" You can change the view point using the mouse. I implemented the symplectic integrator based on the following paper by Robert I. McLachlan, et.al: Symplectic integrators for spin systems Robert I. McLachlan, Klas Modin, and Olivier Verdier Phys. Rev. E 89, 061301(R) – Published 13 June 2014 http://journals.aps.org/pre/abstract/10.1103/PhysRevE.89.061301 A minimal-coordinate symplectic integrator on spheres Robert McLachlan, Klas Modin, and Olivier Verdier http://arxiv.org/pdf/1402.3334.pdf
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