English
Related papers

Related papers: Dirac's and Generalized Faddeev-Jackiw brackets fo…

200 papers

The general conditions for the applicability of the Faddeev-Jackiw approach to gauge theories are studied. When the constraints are effective a new proof in the Lagrangian framework of the equivalence between this method and the Dirac…

High Energy Physics - Theory · Physics 2009-10-31 J. Antonio García , Josep M. Pons

The equivalence between the Dirac method and Faddeev-Jackiw analysis for gauge theories is proved. In particular we trace out, in a stage by stage procedure, the standard classification of first and second class constraints of Dirac's…

High Energy Physics - Theory · Physics 2015-06-26 J. Antonio García , Josep M. Pons

A detailed Faddeev-Jackiw quantization of an Abelian topological gravity is performed; we show that this formalism is equivalent and more economical than Dirac's method. In particular, we identify the complete set of constraints of the…

High Energy Physics - Theory · Physics 2017-01-09 R. Cartas-Fuentevilla , Alberto Escalante , Alfredo Herrera-Aguilar

A detailed Hamiltonian analysis for a five-dimensional St{\"{u}}eckelberg theory with a compact dimension is performed. First, we develop a pure Dirac's analysis of the theory, we show that after performing the compactification, the theory…

Mathematical Physics · Physics 2014-10-31 Alberto Escalante , Moisés Zárate

The Legendre transformation on singular Lagrangians, e.g. Lagrangians representing gauge theories, fails due to the presence of constraints. The Faddeev-Jackiw technique, which offers an alternative to that of Dirac, is a symplectic…

High Energy Physics - Theory · Physics 2015-03-23 C. Prescod-Weinstein , Edmund Bertschinger

We carefully perform a Hamiltonian Dirac's constraint analysis of $\omega=-\frac{3}{2}$ Brans-Dicke theory with Gibbons-Hawking-York (GHY) boundary term. The Poisson brackets are computed via functional derivatives. After a brief summary of…

General Relativity and Quantum Cosmology · Physics 2023-06-02 Matteo Galaverni , Gabriele Gionti S. J.

The Jackiw-Teitelboim model written as a BF theory in two dimensions is analyzed by using the Dirac's and Faddeev-Jackiw formalism. The analysis consists in finding the full structure of the constraints, the gauge transformations, the…

General Relativity and Quantum Cosmology · Physics 2023-03-15 Jaime Manuel Cabrera

A detailed Faddeev-Jackiw quantization of an Abelian and non-Abelian exotic action for gravity in three dimensions is performed. We obtain for the theories under study the constraints, the gauge transformations, the generalized…

Mathematical Physics · Physics 2015-06-24 Alberto Escalante , J. Manuel-Cabrera

In this paper we analyze two higher-derivative theories, the generalized electrodynamics and the Alekseev-Arbuzov-Baikov's effective Lagrangian from the point of view of Faddeev-Jackiw sympletic approach. It is shown that the full set of…

High Energy Physics - Theory · Physics 2014-08-08 R. Bufalo , B. M. Pimentel

In this paper a detailed Hamiltonian analysis of three-dimensional gravity without dynamics proposed by V. Hussain is performed. We report the complete structure of the constraints and the Dirac brackets are explicitly computed. In…

High Energy Physics - Theory · Physics 2017-04-05 Alberto Escalante , H. H. Osmart Ochoa-Gutiérrez

The general procedure of constructing a consistent covariant Dirac-type bracket for models with mixed first and second class constraints is presented. The proposed scheme essentially relies upon explicit separation of the initial…

High Energy Physics - Theory · Physics 2011-07-19 A. A. Deriglazov , A. V. Galajinsky , S. L. Lyakhovich

First-class constraints constitute a potential obstacle to the computation of a Poisson bracket in Dirac's theory of constrained Hamiltonian systems. Using the pseudoinverse instead of the inverse of the matrix defined by the Poisson…

Chaotic Dynamics · Physics 2014-12-17 C. Chandre

The Dirac constraint formalism is applied to the d(d>2) dimensional Einstein-Hilbert action when written in first order form, using the metric density and affine connection as independent fields. Field equations not involving time…

General Relativity and Quantum Cosmology · Physics 2007-11-19 R. N. Ghalati , D. G. C. McKeon

We review the Dirac formalism for dealing with constraints in a canonical Hamiltonian formulation and discuss gauge freedom and display constraints for gauge theories in a general context. We introduce the Dirac bracket and show that it…

Mathematical Physics · Physics 2020-07-21 Jon Allen , Richard A. Matzner

The symplectic analysis of a four dimensional $BF$ theory in the context of the Faddeev-Jackiw symplectic approach is performed. It is shown that this method is more economical than Dirac's formalism. In particular, the complete set of…

Mathematical Physics · Physics 2016-11-23 Alberto Escalante , Prihel Cavildo-Sánchez

A canonical analysis of RG improved action of the Einstein-Hilbert functional is performed. The gravitational and cosmological constants as function of the space-time coordinates are treated as external non-geometrical fields. Dirac's…

General Relativity and Quantum Cosmology · Physics 2019-12-02 Gabriele Gionti , S. J

We study the Faddeev-Jackiw symplectic Hamiltonian reduction for 3+1-dimensional free and Abelian gauged Rarita-Schwinger theories that comprise Grassmannian fermionic fields. We obtain the relevant fundamental brackets and find that they…

High Energy Physics - Theory · Physics 2016-10-24 Suat Dengiz

We show that in modified Faddeev-Jackiw formalism, first and second class constraints appear at each level, and the whole constraint structure is in exact correspondence with level by level method of Dirac formalism.

High Energy Physics - Theory · Physics 2009-11-07 A. Shirzad , M. Mojiri

A detailed Dirac's and Faddeev-Jackiw quantization of Bonzom-Livine model describing gravity in three dimensions is performed. The full structure of the constraints, the gauge transformations and the generalized Faddeev-Jackiw brackets are…

Mathematical Physics · Physics 2016-11-08 Alberto Escalante , Jaime Manuel Cabrera

The symplectic analysis, initiated by Faddeev and Jackiw, is applied to the first order (Palatini) form of the Einstein-Hilbert action in 1 + 1 dimensions. The constraints that arise are shown to result in the same gauge transformations…

High Energy Physics - Theory · Physics 2017-06-28 D. G. C. McKeon
‹ Prev 1 2 3 10 Next ›