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In this paper, we review two approaches that can describe, in a geometrical way, the kinematics of particles that are affected by Planck-scale departures, named Finsler and Hamilton geometries. By relying on maps that connect the spaces of…

General Relativity and Quantum Cosmology · Physics 2023-01-24 Saulo Albuquerque , Valdir B. Bezerra , Iarley P. Lobo , Gabriel Macedo , Pedro H. Morais , Ernesto Rodrigues , Luis C. N. Santos , Gislaine Varão

In this short note we clarify a link between anisotropic-scaling scenarios and Finsler spacetimes. Generalizing earlier analysis it is shown that the kinematics of propagating particles (in the sense of geometrical optics) can be described…

General Relativity and Quantum Cosmology · Physics 2009-10-19 Lorenzo Sindoni

It is shown that space-time may be not only in a state which is described by Riemann geometry but also in states which are described by Finsler geometry. Transitions between various metric states of space-time have the meaning of phase…

General Relativity and Quantum Cosmology · Physics 2009-10-31 G. Yu. Bogoslovsky , H. F. Goenner

Recent links between Finsler Geometry and the geometry of spacetimes are briefly revisited, and prospective ideas and results are explained. Special attention is paid to geometric problems with a direct motivation in Relativity and other…

Differential Geometry · Mathematics 2015-06-17 Miguel A. Javaloyes , Miguel Sánchez

In recent years, Planck-scale modifications to particles' dispersion relation have been deeply studied for the possibility to formulate some phenomenology of Planckian effects in astrophysical and cosmological frameworks. There are some…

General Relativity and Quantum Cosmology · Physics 2017-02-24 Iarley P. Lobo , Niccoló Loret , Francisco Nettel

The physics of classical particles in a Lorentz-breaking spacetime has numerous features resembling the properties of Finsler geometry. In particular, the Lagrange function plays a role similar to that of a Finsler structure function. A…

High Energy Physics - Phenomenology · Physics 2017-08-23 Neil Russell

Finsler geometry is a natural generalization of pseudo-Riemannian geometry. It can be motivated e.g. by a modified version of the Ehlers-Pirani-Schild axiomatic approach to space-time theory. Also, some scenarios of quantum gravity suggest…

General Relativity and Quantum Cosmology · Physics 2015-06-23 Yakov Itin , Claus Lämmerzahl , Volker Perlick

We give an overview on the status and on the perspectives of Finsler gravity, beginning with a discussion of various motivations for considering a Finslerian modification of General Relativity. The subjects covered include Finslerian…

General Relativity and Quantum Cosmology · Physics 2018-12-05 Claus Lämmerzahl , Volker Perlick

Certain geometric properties of submanifolds of configuration space are numerically investigated for classical lattice phi^4 models in one and two dimensions. Peculiar behaviors of the computed geometric quantities are found only in the…

Statistical Mechanics · Physics 2009-10-31 Roberto Franzosi , Lapo Casetti , Lionel Spinelli , Marco Pettini

Finsler geometry naturally appears in the description of various physical systems. In this review I divide the emergence of Finsler geometry in physics into three categories: as dual description of dispersion relations, as most general…

General Relativity and Quantum Cosmology · Physics 2019-11-01 Christian Pfeifer

We study some properties of a recently proposed local Lorentz Violating Finsler geometry, the so-called Bipartite space. This anisotropic structure deforms the causal null surface to an elliptic cone and provides an anisotropy to the…

High Energy Physics - Theory · Physics 2014-03-07 J. E. G. Silva , C. A. S. Almeida

Recently, we have studied the Finsler space with h-Matsumoto change and found Cartan connection for the transformed space [2]. In this paper, we have discussed certain geometrical properties of the hypersurface of a Finsler space for the…

Differential Geometry · Mathematics 2022-05-10 M. K. Gupta , Suman Sharma

Motivated in part by the bi-gravity approach to massive gravity, we introduce and study the multimetric Finsler geometry. For the case of an arbitrary number of dimensions, we study some general properties of the geometry in terms of its…

Mathematical Physics · Physics 2023-05-03 Patrícia Carvalho , Cristian Landri , Ravi Mistry , Aleksandr Pinzul

A geodesic circle in Finsler geometry is a natural extension of that in a Euclidean space. In this paper, we apply Lie derivatives and the Cartan $Y$-connection to study geodesic circles and (infinitesimal) concircular transformations on a…

Differential Geometry · Mathematics 2021-07-20 Zhongmin Shen , Guojun Yang

In the present work, we discuss how the functional form of thermodynamic observables can be deduced from the geometric properties of subsets of phase space. The geometric quantities taken into account are mainly extrinsic curvatures of the…

Statistical Mechanics · Physics 2020-05-01 Ghofrane Bel-Hadj-Aissa , Matteo Gori , Vittorio Penna , Giulio Pettini , Roberto Franzosi

Reparametrization invariant Lagrangian theories with higher derivatives are considered. We investigate the geometric structures behind these theories and construct the Hamiltonian formalism in a geometric way. The Legendre transformation…

High Energy Physics - Theory · Physics 2014-11-18 Petr Dunin-Barkowski , Alexei Sleptsov

We discuss the recent proposal of implementing Doubly Special Relativity in configuration space by means of Finsler geometry. Although this formalism leads to a consistent description of the dynamics of a particle, it does not seem to give…

General Relativity and Quantum Cosmology · Physics 2008-11-26 S. Mignemi

We analyse the Finsler geometries of the kinematic space of spinless and spinning electrically charged particles in an external Ra\~{n}ada field. We consider the most general actions that are invariant under the Lorentz, electromagnetic…

High Energy Physics - Theory · Physics 2020-07-15 Adina V. Crişan , Ion V. Vancea

A method is presented for deducing classical point-particle Lagrange functions corresponding to a class of quartic dispersion relations. Applying this to particles violating Lorentz symmetry in the minimal Standard-Model Extension leads to…

High Energy Physics - Theory · Physics 2015-09-25 Neil Russell

The aim of the present paper is to investigate new types of recurrence in Finsler geometry, namely, hyper-generalized recurrence and generalized conharmonic recurrence. The properties of such recurrences and their relations to other Finsler…

Differential Geometry · Mathematics 2017-07-18 A. Soleiman
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