Title
On the structure and convergence of the symmetric Zassenhaus formula.
Abstract
We propose and analyze a symmetric version of the Zassenhaus formula for disentangling the exponential of two non-commuting operators. A recursive procedure for generating the expansion up to any order is presented which also allows one to get an enlarged domain of convergence when it is formulated for matrices. It is shown that the approximations obtained by truncating the infinite expansion considerably improve those arising from the standard Zassenhaus formula.
Year
DOI
Venue
2017
10.1016/j.cpc.2017.04.004
Computer Physics Communications
Keywords
Field
DocType
Zassenhaus formula,Exponential splitting
Convergence (routing),Mathematical optimization,Exponential function,Matrix (mathematics),Mathematical analysis,Operator (computer programming),Recursion,Mathematics
Journal
Volume
ISSN
Citations 
217
0010-4655
0
PageRank 
References 
Authors
0.34
3
3
Name
Order
Citations
PageRank
A. Arnal1204.73
Fernando Casas27418.30
Cristina Chiralt300.68