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The stochastic Liouville equation and Padé approximants
Authors:A. J. Dammers  Y. K. Levine  J. A. Tjon
Affiliation:(1) Department of Molecular Biophysics, University of Utrecht, The Netherlands;(2) Present address: Centre for Submicron Technology, Delft University of Technology, The Netherlands;(3) Institute for Theoretical Physics, University of Utrecht, The Netherlands
Abstract:
The applicability of Padé approximant techniques to solving the stochastic Liouville equation is discussed. The special case of an axially symmetric spin system undergoing isotropic Brownian motion is studied. Two types of expansions are explored which yield efficient algorithms for spectral simulations.
Keywords:ESR spectral simulations  stochastic Liouville equation  Padé   approximants  convergence behavior  roundoff errors
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