Electronic Resource
Springer
Journal of statistical physics
22 (1980), S. 65-67
ISSN:
1572-9613
Keywords:
Cumulant hierarchy
;
nonlinear coupling
;
Gaussian approximation
;
characteristic function
;
quasiprobability
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract We discuss some problems obtained by truncating a cumulant hierarchy at ordern 〉 2. We show that such a truncation scheme is not consistent witha in its whole range of definition nonnegative probability function.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01007988
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