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A detailed canonical analysis for three-dimensional massive gravity is performed. The construction of the fundamental Dirac brackets, the complete structure of the constraints and the counting of the physical degrees of freedom are…

General Relativity and Quantum Cosmology · Physics 2023-05-10 Alberto Escalante , P. Fernando Ocaña García

By using the Gitman-Lyakhovich-Tyutin canonical analysis for higher-order theories a four-dimensional Chern-Simons modification of general relativity is analyzed. The counting of physical degrees of freedom, the symmetries, and the…

General Relativity and Quantum Cosmology · Physics 2023-03-22 Alberto Escalante , J. Aldair Pantoja-Gonzalez

Using the Gitman-Lyakhovich-Tyutin generalization of the Ostrogradsky method for analyzing singular systems, we consider the Hamiltonian formulation of metric and tetrad gravities in two-dimensional Riemannian spacetime treating them as…

High Energy Physics - Theory · Physics 2008-11-26 R. N. Ghalati , N. Kiriushcheva , S. V. Kuzmin

The Hamiltonian analysis for the linearized $\lambda R$ gravity plus a Chern-Simons term is performed. The first-class and second-class constraints for arbitrary values of $\lambda$ are presented, and one physical degree of freedom is…

General Relativity and Quantum Cosmology · Physics 2024-08-15 Alberto Escalante , J. Aldair Pantoja-Gonzalez , Victor Julian Pérez-Aquino

The Hamiltonian analysis for the linearized $\lambda R$ gravity around the Minkowski background is performed. The first-class and second-class constraints for arbitrary values of $\lambda$ are presented, and two physical degrees of freedom…

General Relativity and Quantum Cosmology · Physics 2024-04-09 Alberto Escalante , P. Fernando Ocaña García

The Hamilton-Jacobi $[HJ]$ study for the Chern-Simons $[CS]$ modification of general relativity $[GR]$ is performed. The complete structure of the Hamiltonians and the generalized brackets are reported, from these results the $HJ$…

General Relativity and Quantum Cosmology · Physics 2023-06-07 Alberto Escalante , J. Aldair Pantoja-Gonzalez

Considering Chern-Simons like gravity theories in three dimensions as first order systems, we analyze the Hamiltonian structure of three theories Topological massive gravity, New massive gravity, and Zwei-Dreibein Gravity.We show that these…

High Energy Physics - Theory · Physics 2018-02-06 Mahdi Hajihashemi , Ahmad Shirzad

The Dirac constraint formalism is applied to linearized gravity to determine the structure of constraints and construct the canonical Hamiltonian. The diffeomorphism invariance of the Lagrangian is retrieved by a nontrivial generalization…

High Energy Physics - Theory · Physics 2007-05-23 Ramin N. Ghalati

We perform the Hamiltonian analysis of 1+1 dimensional non-linear massive gravity studied in arXiv:1107.3820. We find the constraint structure of given theory and perform the counting of the physical degrees of freedom.

High Energy Physics - Theory · Physics 2015-05-30 J. Kluson

We present the Dirac Hamiltonian formalism for a pair of $1$-form fields with a topological-like potential coupled to first-order gravity in three-dimensional spacetime. By considering the complete phase space, we derive the full structure…

High Energy Physics - Theory · Physics 2026-01-13 Omar Rodríguez-Tzompantzi

The dynamical structure of topologically massive gravity in the context of the Faddeev-Jackiw symplectic approach is studied. It is shown that this method allows to avoid some ambiguities arising in the study of the gauge structure via the…

High Energy Physics - Theory · Physics 2016-11-23 Alberto Escalante , Omar Rodriguez-Tzompantzi

We perform a covariant constraint analysis of massive gravity valid for its entire parameter space, demonstrating that the model generically propagates five degrees of freedom; this is also verified by a new and streamlined Hamiltonian…

High Energy Physics - Theory · Physics 2014-12-03 S. Deser , M. Sandora , A. Waldron , G. Zahariade

We perform the Hamiltonian analysis of non-linear massive gravity action studied recently in arXiv:1106.3344 [hep-th]. We show that the Hamiltonian constraint is the second class constraint. As a result the theory possesses an odd number of…

High Energy Physics - Theory · Physics 2015-05-30 J. Kluson

In this paper we continue the study of the Hamiltonian formalism of the healthy extended Horava-Lifshitz gravity. We find the constraint structure of given theory and argue that this is the theory with the second class constraints. Then we…

High Energy Physics - Theory · Physics 2014-11-20 J. Kluson

Exotic General Massive Gravity is the next-to-simplest gravitational theory fulfilling the so-called third-way consistency, the simplest being Minimal Massive Gravity. We investigate the canonical structure of the first-order formulation of…

High Energy Physics - Theory · Physics 2022-05-31 Omar Rodríguez-Tzompantzi

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

By using the canonical and symplectic approaches an (nonstandard) alternative action describing linearized gravity is studied. We identify the complete set of Dirac's constraints, the counting of physical degrees of freedom is performed and…

General Relativity and Quantum Cosmology · Physics 2017-11-30 Alberto Escalante , Melissa Rodríguez-Zárate

Three-dimensional topologically massive AdS gravity has a complicated constraint algebra, making it difficult to count nonperturbative degrees of freedom. I show that a new choice of variables greatly simplifies this algebra, and confirm…

High Energy Physics - Theory · Physics 2010-04-28 S. Carlip

Since the main open problem of contemporary physics is to find a unified description of the four interactions, we present a possible scenario which, till now only at the classical level, is able to englobe experiments ranging from…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Luca Lusanna

We study the canonical structure of three-dimensional topologically massive gravity with a cosmological constant, using the full power of Dirac's method for constrained Hamiltonian systems. It is found that the dimension of the physical…

General Relativity and Quantum Cosmology · Physics 2009-05-29 M. Blagojević , B. Cvetković
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