On the convergence of exponential operators—the Zassenhaus formula,BCH formula and systematic approximants |
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| Authors: | Masuo Suzuki |
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| Institution: | (1) Theoretical Physics Institute, The University of Alberta, T6G 2J1 Edmonton, Canada |
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| Abstract: | The convergence of the Zassenhaus formula is proven under an appropriate condition as well as for other exponential operators such as the Baker-Campbell-Hausdorff formula.On leave of absence from Department of Physics, Faculty of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, Japan |
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