Lorentz invariant and supersymmetric interpretation of noncommutative quantum field theory
نویسندگان
چکیده
In this paper, based on recent work [13] 1 , we construct deformed Poincaré SUSY algebra in terms of twisted (Hopf) algebra. By adapting this new interpretation of superPoincaré algrebra as our fundamental symmetry, we can construct Lorentz and Poincaré SUSY invariant quantum field theory on the non(anti)commutative (super)space. The key point is validity of our new twist element that guarantees non(anti)commutativity of space. It is checked in this paper for N = 1 case. We also comment on the possibility of noncommutative central charge coordinate. E-mail : [email protected] E-mail : [email protected] After submitting the first version of this paper to hep-th arXiv., we have received a notice from R. Oeckl that he had given his paper [29], which covers almost all result in [13].
منابع مشابه
An Interpretation of Noncommutative Field Theory in Terms of a Quantum Shift
Noncommutative coordinates are decomposed into a sum of geometrical ones and a universal quantum shift operator. With the help of this operator, the mapping of a commutative field theory into a noncommutative field theory (NCFT) is introduced. A general measure for the Lorentz-invariance violation in NCFT is also derived.
متن کاملar X iv : h ep - t h / 05 01 01 7 v 1 4 J an 2 00 5 Lorentz invariance of scalar field action on κ - Minkowski space - time
We construct field theory on noncommutative κ-Minkowski spacetime. Having the Lorentz action on the noncommutative space-time coordinates we show that the field lagrangian is invariant. We show that noncommutativity requires replacing the Leibnitz rule with the coproduct one.
متن کاملA New Gauge-Invariant Regularization Scheme Based on Lorentz-Invariant Noncommutative Quantum Field Theory
The IR/UV mixing in the non-commutative (NC) field theory is investigated in CarlsonCarone-Zobin (CCZ) formalism of Lorentz-invariant NC field theory provided that the fields are ‘independent’ of the ‘internal’ coordinates θ . A new regularization scheme called NC regularization is then proposed, which removes the Lorentz-invariant IR singularity by subtraction from the theory. It requires the ...
متن کاملEffective actions, Wilson lines and the IR/UV mixing in noncommutative supersymmetric gauge theories
We study IR/UV mixing effects in noncommutative supersymmetric Yang-Mills theories with gauge group U(N) using background field perturbation theory. We compute threepoint functions of background fields, and show that the IR/UV mixed contributions to these correlators can be reproduced from an explicitly gauge-invariant effective action. This effective action involves open Wilson lines, and also...
متن کاملMicrocausality violation of scalar field on noncommutative spacetime with the time-space noncommutativity
Quantum field theories on noncommutative spacetime have many different properties from those on commutative spacetime. In this paper, we study the microcausality of free scalar field on noncommutative spacetime. We expand the scalar field in the form of usual Lorentz invariant measure in noncommutative spacetime. Then we calculate the expectation values of the Moyal commutators for the quadrati...
متن کامل