Explicit description of the Zassenhaus formula

Kimura, T

Kimura, T (reprint author), Keio Univ, Res & Educ Ctr Nat Sci, Hiyoshi 4-1-1, Yokohama, Kanagawa 2238521, Japan.; Kimura, T (reprint author), Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan.

PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, 2017; (4):

Abstract

We explicitly describe an expansion of e(A+B) as an infinite sum of the products of B multiplied by the exponential function of A. This is the explici......

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