Littérature scientifique sur le sujet « Teleparallelismo »

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Articles de revues sur le sujet "Teleparallelismo"

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D’Ambrosio, Fabio, Lavinia Heisenberg, and Simon Kuhn. "Revisiting cosmologies in teleparallelism." Classical and Quantum Gravity 39, no. 2 (2021): 025013. http://dx.doi.org/10.1088/1361-6382/ac3f99.

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Abstract We discuss the most general field equations for cosmological spacetimes for theories of gravity based on non-linear extensions of the non-metricity scalar and the torsion scalar. Our approach is based on a systematic symmetry-reduction of the metric-affine geometry which underlies these theories. While for the simplest conceivable case the connection disappears from the field equations and one obtains the Friedmann equations of general relativity, we show that in f ( Q ) cosmology the connection generically modifies the metric field equations and that some of the connection components
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FIORINI, FRANCO, and RAFAEL FERRARO. "A TYPE OF BORN-INFELD REGULAR GRAVITY AND ITS COSMOLOGICAL CONSEQUENCES." International Journal of Modern Physics A 24, no. 08n09 (2009): 1686–89. http://dx.doi.org/10.1142/s0217751x09045236.

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Born-Infeld deformation strategy to smooth theories having divergent solutions is applied to the teleparallel equivalent of General Relativity. The equivalence between teleparallelism and General Relativity is exploited to obtain a deformed theory of gravity based on second order differential equations, since teleparallel Lagrangian is built just from first derivatives of the vierbein. We show that Born-Infeld teleparallelism cures the initial singularity in a spatially flat FRW universe; moreover, it provides a natural inflationary stage without resorting to an inflaton field. The Born-Infeld
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Maluf, J. W., and A. Goya. "Space–time defects and teleparallelism." Classical and Quantum Gravity 18, no. 23 (2001): 5143–54. http://dx.doi.org/10.1088/0264-9381/18/23/310.

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VON BORZESZKOWSKI, HORST-HEINO. "TELEPARALLELIZED AND AFFINE THEORIES OF GRAVITY: NEW PERSPECTIVES FOR MACHIAN AND QUANTUM GRAVITY." International Journal of Modern Physics A 17, no. 29 (2002): 4153–60. http://dx.doi.org/10.1142/s0217751x02013174.

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We compare metric theories to theories with teleparallelism and affine theories of gravity in order to discuss perspectives in the canonical quantization of gravity opened by a realization of Mach's principle.
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Korunur, M., M. Saltı, and O. Aydogdu. "An axially symmetric scalar field and teleparallelism." European Physical Journal C 50, no. 1 (2007): 101–7. http://dx.doi.org/10.1140/epjc/s10052-006-0195-1.

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Nishino, Hitoshi, and Subhash Rajpoot. "Teleparallelism for a massive spin-2 field." Classical and Quantum Gravity 28, no. 12 (2011): 125019. http://dx.doi.org/10.1088/0264-9381/28/12/125019.

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Lawrence, Tom. "Tangent space symmetries in general relativity and teleparallelism." International Journal of Geometric Methods in Modern Physics 18, supp01 (2021): 2140008. http://dx.doi.org/10.1142/s0219887821400089.

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This paper looks at how changes of coordinates on a pseudo-Riemannian manifold induce homogeneous linear transformations on its tangent spaces. We see that a pseudo-orthonormal frame in a given tangent space is the basis for a set of Riemann normal coordinates. A Lorentz subgroup of the general linear transformations preserves this pseudo-orthonormality. We borrow techniques from the methodology of non-linear realizations to analyze this group-subgroup structure. “Parallel maps” are used to relate tangent space at different points. “Parallelisms” across a finite region of the manifold may be b
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Bamba, Kazuharu, Jaume de Haro, and Sergei D. Odintsov. "Future singularities and teleparallelism in loop quantum cosmology." Journal of Cosmology and Astroparticle Physics 2013, no. 02 (2013): 008. http://dx.doi.org/10.1088/1475-7516/2013/02/008.

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Lu, Wenjie, Wolung Lee та Kin-Wang Ng. "Teleparallel Poincaré cosmology and ΛCDM model". International Journal of Modern Physics D 23, № 06 (2014): 1450057. http://dx.doi.org/10.1142/s0218271814500576.

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We apply the teleparallelism condition to the Poincaré gauge theory (PGT) of gravity. The resultant teleparallelized cosmology is completely equivalent to the Friedmann cosmology derived from Einstein's general theory of relativity. The torsion is shown to play the role of the cosmological constant driving the cosmic acceleration. We then extend such theory to include the effect of spin and explore the possibility of accounting for the current accelerating universe by a spinning dark energy.
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Delphenich, DH. "The use of the teleparallelism connection in continuum mechanics." Mathematics and Mechanics of Solids 21, no. 10 (2016): 1260–75. http://dx.doi.org/10.1177/1081286514563819.

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Thèses sur le sujet "Teleparallelismo"

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Capriolo, Maurizio. "Lo pseudotensore energia-impulso in teorie estese della gravitazione." Doctoral thesis, Universita degli studi di Salerno, 2018. http://elea.unisa.it:8080/xmlui/handle/10556/4238.

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2016 - 2017<br>The gravitational field’s energy and momentum definitions are treated in extensive gravitation theories, through the generalization of the energymomentum pseudotensor, defined by Einstein in general relativity. This extension was obtained by modifying the Lagrangian of Hilbert-Einstein or by using a different connection from the one of Levi- Civita as that of Weitzenböck for teleparallel theories. We have firstly obtained the gravitational energy-momentum pseudotensor for extended Lagrangians that depend on the metric gμ⌫ and on its derivatives up to nth order and then de
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Livres sur le sujet "Teleparallelismo"

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Mashhoon, Bahram. Extension of General Relativity. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198803805.003.0005.

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Nonlocal general relativity (GR) requires an extension of the mathematical framework of GR. Nonlocal GR is a tetrad theory such that the orthonormal tetrad frame field of a preferred set of observers carries the sixteen gravitational degrees of freedom. The spacetime metric is then defined via the orthonormality condition. The preferred frame field is used to define a new linear Weitzenböck connection in spacetime. The non-symmetric Weitzenböck connection is metric compatible, curvature-free and renders the preferred (fundamental) frame field parallel. This circumstance leads to teleparallelis
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Chapitres de livres sur le sujet "Teleparallelismo"

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Mielke, Eckehard W. "Teleparallelism." In Geometrodynamics of Gauge Fields. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-29734-7_6.

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Pereira, José G. "Teleparallelism: A New Insight into Gravity." In Springer Handbook of Spacetime. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41992-8_11.

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RAPOPORT, DIEGO. "TELEPARALLELISM, BROWNIAN MOTION, QUANTUM MECHANICS AND FLUID-DYNAMICS, I." In The Ninth Marcel Grossmann Meeting. World Scientific Publishing Company, 2002. http://dx.doi.org/10.1142/9789812777386_0174.

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Actes de conférences sur le sujet "Teleparallelismo"

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MIELKE, ECKEHARD W., and ALí A. RINCÓN MAGGIOLO. "YANG-MILLS TYPE BRST AND CO-BRST ALGEBRA FOR TELEPARALLELISM." In Proceedings of 2002 International Conference. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812772732_0026.

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BARBOSA, ANA LUCIA, and V. C. DE ANDRADE. "NON-ABELIAN TELEPARALLELISM AS AN EXTENDED GAUGE THEORY: A GEOMETRICAL VIEW." In Proceedings of the MG10 Meeting held at Brazilian Center for Research in Physics (CBPF). World Scientific Publishing Company, 2006. http://dx.doi.org/10.1142/9789812704030_0136.

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SłAWIANOWSKI, JAN J. "TELEPARALLELISM, MODIFIED BORN-INFELD NONLINEARITY AND SPACE-TIME AS A MICROMORPHIC ETHER." In Proceedings of 2002 International Conference. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812772732_0037.

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