Dual Kappa Poincare Algebra

Details Dual Kappa Poincare Algebra Dual Kappa Poincare Algebra

2010-11-16

arxiv.org/abs/1011.3662v1

Int.J.Mod.Phys.A25:1881-1890,2010

Physics

Mathematical Physics

10 pages

Scientific paper

10.1142/S0217751X1004807X

We show a different modification of Poincare algebra that also preserves Lorentz algebra. The change begins with how boosts affect spacetime in a way similar to how they affect the momenta in kappa Poincare algebra, hence the term "dual kappa Poincare algebra". Since by construction the new spacetime commutes, it follows that the momenta co-commute. Proposing a spacetime co-algebra that is similar to the coproduct in the bicrossproduct basis of kappa Poincare algebra, we derive the phase space algebra using the Heisenberg double construction. The phase space variables of the dual kappa Poincare algebra are then related to the SR phase space variables. From these relations, we complete the dual kappa Poincare algebra by deriving the action of rotations and boosts on the momenta.

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