Construction of the effective Poincaré algebra
نویسنده
چکیده
We derive expressions for Poincaré group generators using preturbative similarity renormalization group procedure for Hamiltonians. We show that generators obtained in second-order perturbation theory satisfy required commutation relations in weak sense, i.e. in matrix elements between states of finite invariant masses. ∗Talk to be delivered at 12th Nuclear Physics Summer School and Symposium “New Direction in Quantum Chromodynamics” and “11th International Light-Cone School and Workshop”, 21 25 june 1999, Kyungju, Korea.
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