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Regularization by Dimensional Reduction: Consistency, Quantum Action Principle, and Supersymmetry

Dominik Stöckinger1

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It is proven by explicit construction that regularization by dimensional reduction can be formulated in a mathematically consistent way. In this formulation the quantum action principle is shown to hold. This provides an intuitive and elegant relation between the D-dimensional lagrangian and Ward or Slavnov-Taylor identities, and it can be used in particular to study to what extent dimensional reduction preserves supersymmetry. We give several examples of previously unchecked cases.

Keywords

Renormalization Regularization and Renormalons

Supersymmetry Phenomenology

Supersymmetric Standard Model

 

E-print Number: hep-ph/0503129

Cited: by |

Refers: to

PACS

11.30.Pb Supersymmetry

11.10.Ef Lagrangian and Hamiltonian approach

11.10.Gh Renormalization

Subjects

Particle physics and field theory

Dates

Issue 03 (March 2005)

Received 15 March 2005, accepted for publication 29 March 2005

Published 19 April 2005



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