Two-parameter deformation of the Poincaré algebra

Details Two-parameter deformation of the Poincaré algebra Two-parameter deformation of the Poincaré algebra

1996-01-11

arxiv.org/abs/q-alg/9601010v1

Int.J.Mod.Phys. A12 (1997) 891-902

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, Latex2e

Scientific paper

10.1142/S0217751X97000670

We examine a two-parameter ($\hbar ,$ $\lambda $) deformation of the Poincar\`e algebra which is covariant under the action of $SL_q(2,C).$ When $\lambda \rightarrow 0$ it yields the Poincar\`e algebra, while in the $\hbar\rightarrow 0$ limit we recover the classical quadratic algebra discussed previously in \cite{ssy95}, \cite{sy95}. The analogues of the Pauli-Lubanski vector $w$ and Casimirs $p^2$ and $w^2$ are found and a set of mutually commuting operators is constructed.

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