Higher-Derivative Boson Field Theories and Constrained Second-Order Theories

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dc.creatorde Urries, F. J.
dc.creatorJulve, J.
dc.creatorVillaseñor, Eduardo J. S.
dc.date2001-05-30
dc.date.accessioned2026-07-07T12:03:37Z
dc.date.available2026-07-07T12:03:37Z
dc.descriptionAs an alternative to the covariant Ostrogradski method, we show that higher-derivative relativistic Lagrangian field theories can be reduced to second differential-order by writing them directly as covariant two-derivative theories involving Lagrange multipliers and new fields. Despite the intrinsic non-covariance of the Dirac's procedure used to deal with the constraints, the explicit Lorentz invariance is recovered at the end. We develop this new setting on the grounds of a simple scalar model and then its applications to generalized electrodynamics and higher-derivative gravity are worked out. For a wide class of field theories this method is better suited than Ostrogradski's for a generalization to 2n-derivative theories
dc.description31 pages, Plain TeX
dc.identifierhttps://arxiv.org/abs/hep-th/0105301
dc.identifierhttp://arxiv.org/abs/hep-th/0105301
dc.identifierJ.Phys.A34:8919-8940,2001
dc.identifierdoi:10.1088/0305-4470/34/42/314
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207847
dc.subjectHigh Energy Physics - Theory
dc.titleHigher-Derivative Boson Field Theories and Constrained Second-Order Theories
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