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相关论文: Review of the Hamiltonian analysis in teleparallel…

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We derive the Hamiltonian function for extended teleparallel theories of gravity in their covariant formulation. In particular, we present the Hamiltonian for $f(T)$ gravity and New General Relativity. From this, we obtain the related…

广义相对论与量子宇宙学 · 物理学 2025-03-21 Francesco Bajardi , Daniel Blixt , Salvatore Capozziello

Teleparallel gravity, a gauge theory for the translation group, turns up as fully equivalent to Einstein's general relativity. In spite of this equivalence, it provides a whole new insight into gravitation. It breaks several paradigms…

广义相对论与量子宇宙学 · 物理学 2015-06-15 J. G. Pereira

Teleparallel gravity has significantly increased in popularity in recent decades, bringing attention to Einstein's other theory of gravity. In this Review, we relate this form of geometry to the broader metric-affine approach to forming…

It is known that one can formulate an action in teleparallel gravity which is equivalent to general relativity, up to a boundary term. In this geometry we have vanishing curvature, and non-vanishing torsion. The action is constructed by…

广义相对论与量子宇宙学 · 物理学 2022-07-07 Daniel Blixt , Manuel Hohmann , Martin Krššák , Christian Pfeifer

We consider the most general class of teleparallel theories of gravity quadratic in the torsion tensor, and carry out a detailed investigation of its Hamiltonian formulation in the time gauge. Such general class is given by a…

广义相对论与量子宇宙学 · 物理学 2007-05-23 J. W. Maluf , A. A. Sousa

We review the current status of the Lorentz covariance in teleparallel and modified teleparallel theories of gravity, and discuss the controversial features of the different approaches. We also revisit the issue of the remnant Lorentz gauge…

广义相对论与量子宇宙学 · 物理学 2019-07-05 Cecilia Bejarano , Rafael Ferraro , Franco Fiorini , María José Guzmán

We show that in theories of generalised teleparallel gravity, whose Lagrangians are algebraic functions of the usual teleparallel Lagrangian, the action and the field equations are not invariant under local Lorentz transformations. We also…

广义相对论与量子宇宙学 · 物理学 2012-07-04 Baojiu Li , Thomas P. Sotiriou , John D. Barrow

Over the past decades, the role of torsion in gravity has been extensively investigated along the main direction of bringing gravity closer to its gauge formulation and incorporating spin in a geometric description. Here we review various…

广义相对论与量子宇宙学 · 物理学 2016-09-09 Yi-Fu Cai , Salvatore Capozziello , Mariafelicia De Laurentis , Emmanuel N. Saridakis

We introduce a new class of two dimensional gravity models using ideas motivated by the Teleparallel Equivalent of General Relativity. This leads to a rather natural formulation of a theory that has close links with Jackiw-Teitelboim…

广义相对论与量子宇宙学 · 物理学 2024-09-13 Christian G. Boehmer , Rafael Ferraro , Franco Fiorini

The primary constraints for general teleparallel quadratic gravity are presented. They provide a basic classification of teleparallel theories from the perspective of the full nonlinear theory and represent the first step towards a…

广义相对论与量子宇宙学 · 物理学 2024-04-29 Francesco Bajardi , Daniel Blixt

We investigate quantum cosmology in teleparallel $f(T)$-gravity. We delve extensively into the minisuperspace description within the context of teleparallelism. The $f(T)$-theory constitutes a second-order theory of gravity, whose…

广义相对论与量子宇宙学 · 物理学 2023-12-27 N. Dimakis , A. Paliathanasis , T. Christodoulakis

Teleparallel gravity and its popular generalization $f(T)$ gravity can be formulated as fully invariant (under both coordinate transformations and local Lorentz transformations) theories of gravity. Several misconceptions about teleparallel…

广义相对论与量子宇宙学 · 物理学 2019-09-25 M. Krssak , R. J. van den Hoogen , J. G. Pereira , C. G. Boehmer , A. A. Coley

I discuss the issue of degrees of freedom in modified teleparallel gravity. These theories do have an extra structure on top of the usual (pseudo)Riemannian manifold, that of a flat parallel transport. This structure is absolutely abstract…

广义相对论与量子宇宙学 · 物理学 2024-08-29 Alexey Golovnev

We construct a notion of teleparallelization for Newton-Cartan theory, and show that the teleparallel equivalent of this theory is Newtonian gravity; furthermore, we show that this result is consistent with teleparallelization in general…

广义相对论与量子宇宙学 · 物理学 2018-08-29 James Read , Nicholas Teh

In recent years, $f(Q)$ gravity has enjoyed considerable attention in the literature and important results have been obtained. However, the question of how many physical degrees of freedom the theory propagates -- and how this number may…

广义相对论与量子宇宙学 · 物理学 2023-08-07 Fabio D'Ambrosio , Lavinia Heisenberg , Stefan Zentarra

New classes of modified teleparallel theories of gravity are introduced. The action of this theory is constructed to be a function of the irreducible parts of torsion $f(T_{\rm ax},T_{\rm ten},T_{\rm vec})$, where $T_{\rm ax},T_{\rm ten}$…

广义相对论与量子宇宙学 · 物理学 2017-10-31 Sebastian Bahamonde , Christian G. Boehmer , Martin Krssak

We write down the teleparallel equivalent to Hassan-Rosen bigravity, which is written using a torsionful but curvature-free connection. The theories only differ by a boundary term. The equivalence was proven, both by using perturbation…

广义相对论与量子宇宙学 · 物理学 2023-12-13 Daniel Blixt , Manuel Hohmann , Tomi Koivisto , Luca Marzola

We derive the post-Newtonian limit of a general class of teleparallel gravity theories, whose action is given by a free function of three scalar quantities obtained from the torsion of the teleparallel connection. This class of theories is…

广义相对论与量子宇宙学 · 物理学 2020-01-24 Ulbossyn Ualikhanova , Manuel Hohmann

In a recent work we derived the kinematic Hamiltonian and primary constraints of the new general relativity class of teleparallel gravity theories and showed that these theories can be grouped in 9 classes, based on the presence or absence…

广义相对论与量子宇宙学 · 物理学 2020-03-18 Manuel Hohmann

Teleparallel gravity can be seen as a gauge theory for the translation group. As such, its fundamental field is neither the tetrad nor the metric, but a gauge potential assuming values in the Lie algebra of the translation group. This gauge…

广义相对论与量子宇宙学 · 物理学 2014-11-17 R. Aldrovandi , J. G. Pereira , K. H. Vu
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