Non-Abelian tensor gauge fields: generalization of Yang-Mills theory

Details Non-Abelian tensor gauge fields: generalization of Yang-Mills theory Non-Abelian tensor gauge fields: generalization of Yang-Mills theory

2005-09-06

arxiv.org/abs/hep-th/0509049v2

Phys.Lett. B625 (2005) 341-350

Physics

High Energy Physics

High Energy Physics - Theory

LaTex file, 21 pages,

Scientific paper

10.1016/j.physletb.2005.08.048

We suggest an extension of the gauge principle which includes tensor gauge fields. The extended non-Abelian gauge transformations of the tensor gauge fields form a new large group. On this group one can define field strength tensors, which are transforming homogeneously with respect to the extended gauge transformations. The invariant Lagrangian is quadratic in the field strength tensors and describes interaction of tensor gauge fields of arbitrary large integer spin $1,2,...$. It does not contain higher derivatives of the tensor gauge fields, and all interactions take place through three- and four-particle exchanges with dimensionless coupling constant. In this extension of the Yang-Mills theory the vector gauge boson becomes a member of a bigger family of tensor gauge bosons. We shall present a second invariant Lagrangian which can be constructed in terms of the above field strength tensors. The total Lagrangian is a sum of the two Lagrangians and exhibits enhanced local gauge invariance with double number of gauge parameters. This allows to eliminate all negative norm states of the nonsymmetric second-rank tensor gauge field, which describes therefore three physical polarizations: two symmetric polarizations of helicity-two massless charged tensor gauge bosons and antisymmetric polarization of helicity-zero charged B field.

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