Possible Supersymmetric Kinematics
Abstract
The contraction method in different limits to obtain 22 different realizations of kinematical algebras is applied to study the supersymmetric extension of \ algebra and its contractions. It is shown that p2 h-, p', c2 and g' algebras, in addition to d-, p, n-, g and c algebras, have supersymmetric extension, while n-2, g2 and g'2 algebras have no supersymmetric extension. The connections among the superalgebras are established.
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