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Related papers: Hamilton-Jacobi Approach to Pre-Big Bang Cosmology…

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The Hamilton-Jacobi equation for the string cosmology is solved using the gradient expansion method. The zeroth order solution is taken to be the standard pre-big bang model and the second order solution is found for the dilaton and the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 P. Kuusk , M. Saal

This article seeks to relate a recent proposal for the association of a covariant Field Theory with a string or brane Lagrangian to the Hamilton-Jacobi formalism for strings and branes. It turns out that since in this special case, the…

High Energy Physics - Theory · Physics 2009-10-31 L. M. Baker , D. B. Fairlie

In recent years it has been shown for hard sphere gas that, by retaining the correlation information, dynamical fluctuation and large deviation of empirical measure around Boltzmann equation could be proved, in addition to the classical…

Analysis of PDEs · Mathematics 2024-09-05 Chenjiayue Qi

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

We will analyze the constraint structure of the Einstein-Hilbert first-order action in two dimensions using the Hamilton-Jacobi approach. We will be able to find a set of involutive, as well as a set of non-involutive constraints. Using…

General Relativity and Quantum Cosmology · Physics 2014-11-20 M. C. Bertin , B. M. Pimentel , P. J. Pompeia

We demonstrate a systematic method for solving the Hamilton-Jacobi equation for general relativity with the inclusion of matter fields. The generating functional is expanded in a series of spatial gradients. Each term is manifestly…

General Relativity and Quantum Cosmology · Physics 2010-11-01 J. Parry D. S. Salopek , J. M. Stewart

Employing a suitable nonlinear Lagrange functional, we derive generalized Hamilton-Jacobi equations for dynamical systems subject to linear velocity constraints. As long as a solution of the generalized Hamilton-Jacobi equation exists, the…

Mathematical Physics · Physics 2009-11-10 Michele Pavon

A Green's function method is developed for solving strongly-coupled gravity and matter in the semiclassical limit. In the strong-coupling limit, one assumes that Newton's constant approaches infinity. As a result, one may neglect second…

General Relativity and Quantum Cosmology · Physics 2009-10-31 D. S. Salopek

The Hamilton-Jacobi formalism of constrained systems is used to study superstring. That obtained the equations of motion for a singular system as total differential equations in many variables. These equations of motion are in exact…

General Physics · Physics 2020-05-05 Walaa I. Eshraim

We extend some aspects of the Hamilton-Jacobi theory to the category of stochastic Hamiltonian dynamical systems. More specifically, we show that the stochastic action satisfies the Hamilton-Jacobi equation when, as in the classical…

Probability · Mathematics 2008-06-06 Joan-Andreu Lázaro-Camí , Juan-Pablo Ortega

The classical and relativistic Hamilton-Jacobi approach is applied to the one-dimensional homogeneous potential, $V(q)=\alpha q^n$, where $\alpha$ and $n$ are continuously varying parameters. In the non-relativistic case, the exact…

General Relativity and Quantum Cosmology · Physics 2015-06-25 R. C. Santos , J. Santos , J. A. S. Lima

It is shown that for a relativistic particle moving in an electromagnetic field its equations of motion written in a form of the second law of Newton can be reduced with the help of elementary operations to the Hamilton-Jacobi equation. The…

General Physics · Physics 2007-05-23 A. Granik

Hamilton-Jacobi equation for Brans-Dicke theory is solved by using a long-wavelength approximation. We examine the non-linear evolution of the inhomogeneities in the dust fluid case and the cosmological constant case. In the case of dust…

General Relativity and Quantum Cosmology · Physics 2009-10-28 Jiro Soda , Hideki Ishihara , Osamu Iguchi

Simple derivation of the Hamilton-Jacobi equation for bosonic strings and p-branes is given. The motion of classical strings and p-branes is described by two and p+1 local fields, respectively. A variety of local field equations which…

High Energy Physics - Theory · Physics 2009-10-31 Yutaka Hosotani , Ryuichi Nakayama

Recently the Hamilton-Jacobi formulation for first order constrained systems has been developed. In such formalism the equations of motion are written as total differential equations in many variables. We generalize the Hamilton-Jacobi…

High Energy Physics - Theory · Physics 2008-11-26 B. M. Pimentel , R. G. Teixeira

The Hamilton-Jacobi equation of relativistic quantum mechanics is revisited. The equation is shown to permit solutions in the form of breathers (oscillating/spinning solitons), displaying simultaneous particle-like and wave-like behaviour.

Quantum Physics · Physics 2009-09-24 Gregory Sivashinsky

General analytical solutions of the Quantum Hamilton Jacobi Equation for conservative one-dimensional or reducible motion are presented and discussed. The quantum Hamilton's characteristic function and its derivative, i.e. the quantum…

Quantum Physics · Physics 2015-12-07 Mario Fusco Girard

Hamilton-Jacobi theory provides a natural starting point for a covariant description of the gravitational field. Using a spatial gradient expansion, one may solve for the phase of the wavefunction by using a line-integral in superspace.…

Astrophysics · Physics 2007-05-23 D. S. Salopek

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

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

Recently, a practical approach to holographic renormalization has been developed based on the Hamilton-Jacobi formulation. Using a simple Einstein-scalar theory, we clarify that this approach does not conflict with the Hamiltonian…

High Energy Physics - Theory · Physics 2019-07-17 Fan Chen , Shao-Feng Wu , Yuxuan Peng
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