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Related papers: 2D-gravity and the Hamilton-Jacobi formalism

200 papers

Cylindrically symmetric vacuum spacetimes are of immense interest in theoretical physics due to its connection to cosmic strings hypothesized in quantum field theory. In this article, we explore the properties of such spacetime and provide…

General Relativity and Quantum Cosmology · Physics 2024-01-23 Ashiqul Islam Dip , Nishat Anjum , Maruf Ahmed , Iffat Zumarradah

The Hamilton-Jacobi analysis is applied to the dynamics of the scalar fluctuations about the Friedmann-Robertson-Walker (FRW). The gauge conditions are found from the consistency conditions. The physical degrees of freedom of the model are…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Dumitru Baleanu

This work is devoted to review the modern geometric description of the Lagrangian and Hamiltonian formalisms of the Hamilton--Jacobi theory. The relation with the "classical" Hamiltonian approach using canonical transformations is also…

Mathematical Physics · Physics 2021-01-12 Narciso Román-Roy

A detailed Hamilton-Jacobi analysis for linearized $\lambda R$ gravity is developed. The model is constructed by rewriting linearized gravity in terms of a parameter $\lambda$ and new variables. The set of all hamiltonians is identified…

General Relativity and Quantum Cosmology · Physics 2025-09-05 J. Aldair Pantoja-Gonzalez , D. Vanessa Castro-Luna , Alberto Escalante

An algebraic analysis of the Hamiltonian formulation of the model two-dimensional gravity is performed. The crucial fact is an exact coincidence of the Poisson brackets algebra of the secondary constraints of this Hamiltonian formulation…

High Energy Physics - Theory · Physics 2014-11-18 A. M. Frolov , N. Kiriushcheva , S. V. Kuzmin

The Hamilton-Jacobi formalism generalized to 2-dimensional field theories according to Lepage's canonical framework is applied to several relativistic real scalar fields, e.g. massless and massive Klein-Gordon, Sinh and Sine-Gordon,…

High Energy Physics - Theory · Physics 2016-09-06 Wulf Boettger , Henning Wissowski , Hans A. Kastrup

In this paper we extend the geometric formalism of Hamilton-Jacobi theory for Mechanics to the case of classical field theories in the k-symplectic framework.

Mathematical Physics · Physics 2011-02-01 M. De LeÓn , D. MartÍn De Diego , J. C. Marrero , M. Salgado , S. Vilariño

The geometric formulation of the Hamilton-Jacobi theory enables us to generalize it to systems of higher-order ordinary differential equations. In this work we introduce the unified Lagrangian-Hamiltonian formalism for the geometric…

Mathematical Physics · Physics 2014-10-24 Leonardo Colombo , Manuel de León , Pedro D. Prieto-Martínez , Narciso Román-Roy

Using Hamilton-Jacobi theory, we develop a formalism for solving semi-classical cosmological perturbations which does not require an explicit choice of time-hypersurface. The Hamilton-Jacobi equation for gravity interacting with matter…

Astrophysics · Physics 2010-11-01 D. S. Salopek , J. M. Stewart

Studying the behaviour of a quantum field in a classical, curved, spacetime is an extraordinary task which nobody is able to take on at present time. Independently by the fact that such problem is not likely to be solved soon, still we…

General Relativity and Quantum Cosmology · Physics 2017-09-06 R. Di Criscienzo , L. Vanzo , S. Zerbini

Diffieties formalize geometrically the concept of differential equations. We introduce and study Hamilton-Jacobi diffieties. They are finite dimensional subdiffieties of a given diffiety and appear to play a special role in the field…

Differential Geometry · Mathematics 2011-07-19 L. Vitagliano

In this paper we extend the geometric formalism of the Hamilton-Jacobi theory for hamiltonian mechanics to the case of classical field theories in the framework of multisymplectic geometry and Ehresmann connections.

Mathematical Physics · Physics 2008-01-09 M. de Leon , J. C. Marrero , D. Martin de Diego

As a continuation of Rabei et al. work [11], the Hamilton- Jacobi partial differential equation is generalized to be applicable for systems containing fractional derivatives. The Hamilton- Jacobi function in configuration space is obtained…

Mathematical Physics · Physics 2015-05-13 Eqab M. Rabei , Bashar S. Ababneh

A review is given of some 2-dimensional metrics for which noncommutative versions have been found. They serve partially to illustrate a noncommutative extension of the moving-frame formalism. All of these models suggest that there is an…

High Energy Physics - Theory · Physics 2007-05-23 M. Buric , J. Madore

The geometric framework for the Hamilton-Jacobi theory developed in previous works is extended for multisymplectic first-order classical field theories. The Hamilton-Jacobi problem is stated for the Lagrangian and the Hamiltonian formalisms…

Mathematical Physics · Physics 2021-01-29 Manuel de León , Pedro Daniel Prieto-Martínez , Narciso Román-Roy , Silvia Vilariño

The Hamiltonian formalism of bigravity and massive gravity is studied here for the general form of the interaction potential of two metrics. In the theories equipped with two spacetime metrics it is natural to use the Kuchar approach,…

High Energy Physics - Theory · Physics 2013-12-19 Vladimir O. Soloviev , Margarita V. Tchichikina

The Hamilton-Jacobi formalism for a geodetic brane-like universe described by the Regge-Teitelboim model is developed. We focus on the description of the complete set of Hamiltonians that ensure the integrability of the model in addition to…

General Relativity and Quantum Cosmology · Physics 2020-08-26 Alejandro Aguilar-Salas , Alberto Molgado , Efrain Rojas

A systematic procedure for performing holographic renormalization, which makes use of the Hamilton-Jacobi method, is proposed and applied to a bulk theory of gravity interacting with a scalar field and a U(1) gauge field in the Stueckelberg…

High Energy Physics - Theory · Physics 2008-11-26 Dario Martelli , Wolfgang Mueck

The equivalence of the chain method and Hamilton-Jacobi formalism is demonstrated. The stabilization algorithm of Hamilton-Jacobi formalism is clariffied and two examples are presented in details.

High Energy Physics - Theory · Physics 2010-11-11 D. Baleanu , Y. Guler

We review the construction of the universal Hamilton-Jacobi counterterm for dilaton gravity in two dimensions, derive the corresponding result in the Cartan formulation and elaborate further upon black hole thermodynamics and semi-classical…

High Energy Physics - Theory · Physics 2008-11-26 Luzi Bergamin , Daniel Grumiller , Robert McNees , Rene Meyer