Littérature scientifique sur le sujet « Post Newtoniano »

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Articles de revues sur le sujet "Post Newtoniano"

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Beloto, Ingrid, Eduardo Cypriano, and Martin Makler. "Spectroscopic determination of velocity dispersion lens galaxies and their impact on the measurement of the post-Newtonian parameter." Cadernos de Astronomia 5, Especial (2024): 60–66. http://dx.doi.org/10.47456/cad.astro.v5nespecial.44957.

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Este estudo se dedica a realizar medições precisas da dispersão de velocidades das galáxias lentes, utilizando dados obtidos pelo telescópio SOuthern Astrophysical Research (SOAR) durante o ano de 2022. A partir da análise de 10 espectros de galáxias, obtivemos estimativas fundamentais das suas dispersões de velocidade. Este trabalho oferece medições cruciais que serão utilizadas em colaboração com pesquisadores do Centro Brasileiro de Pesquisas Físicas para inferir o parâmetro pós-Newtoniano γ. Esta parceria visa aprimorar a precisão das futuras estimativas desse parâmetro, contribuindo signi
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Fuentes, Benjamín M., Marcela A. Cruchaga, and Jonathan R. Núñez. "Estudio de la Socavación Producida por el Derrame de una Columna de Agua." Resúmenes de Mecánica Computacional 1, no. 13 (2024): 133. https://doi.org/10.70567/rmc.v1i13.191.

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Se presenta un estudio experimental y numérico de la profundidad de socavación de arena gruesa generado por la ruptura de una columna de agua. Se consideran dos relaciones de aspecto en la altura de la columna de agua para evaluar cómo los parámetros de operación afectan la evolución de la superficie libre (interfaz agua-aire) y la erosión de la arena (interfaz agua-arena). Los experimentos se registran en videos de los cuales se obtienen la velocidad de apertura de la compuerta, evolución de la superficie libre y las profundidades de socavación mediante post-procesamiento de imágenes. Para la
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De Laurentis, Mariafelicia, та Antonio Jesus Lopez-Revelles. "Newtonian, Post-Newtonian and Parametrized Post-Newtonian limits of f(R, 𝒢) gravity". International Journal of Geometric Methods in Modern Physics 11, № 10 (2014): 1450082. http://dx.doi.org/10.1142/s0219887814500820.

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We discuss in detail the weak field limit of f(R, 𝒢) gravity taking into account analytic functions of the Ricci scalar R and the Gauss–Bonnet invariant 𝒢. Specifically, we develop, in metric formalism, the Newtonian, Post-Newtonian (PN) and Parametrized Post-Newtonian (PPN) limits starting from general f(R, 𝒢) Lagrangian. The special cases of f(R) and f(𝒢) gravities are considered. In the case of the Newtonian limit of f(R, 𝒢) gravity, a general solution in terms of Green's functions is achieved.
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Nazari, Elham, and Mahmood Roshan. "Post-Newtonian Magnetohydrodynamics." Astrophysical Journal 868, no. 2 (2018): 98. http://dx.doi.org/10.3847/1538-4357/aaeb25.

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Szekeres, Peter, and Tamath Rainsford. "Post-Newtonian Cosmology." General Relativity and Gravitation 32, no. 3 (2000): 479–90. http://dx.doi.org/10.1023/a:1001976317159.

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Pascual-Sánchez, J. F., A. San Miguel, and F. Vicente. "Relativistic versus Newtonian Frames." Positioning 04, no. 01 (2013): 109–14. http://dx.doi.org/10.4236/pos.2013.41011.

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Kremer, Gilberto M. "Post-Newtonian kinetic theory." Annals of Physics 426 (March 2021): 168400. http://dx.doi.org/10.1016/j.aop.2021.168400.

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Sanghai, Viraj A. A., and Timothy Clifton. "Parameterized post-Newtonian cosmology." Classical and Quantum Gravity 34, no. 6 (2017): 065003. http://dx.doi.org/10.1088/1361-6382/aa5d75.

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Asfour, Amal. "Hogarth's Post-Newtonian Universe." Journal of the History of Ideas 60, no. 4 (1999): 693–716. http://dx.doi.org/10.1353/jhi.1999.0032.

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Nazari, Elham, Ali Kazemi, Mahmood Roshan, and Shahram Abbassi. "Post-Newtonian Jeans Analysis." Astrophysical Journal 839, no. 2 (2017): 75. http://dx.doi.org/10.3847/1538-4357/aa68e0.

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Thèses sur le sujet "Post Newtoniano"

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MESSINA, FRANCESCO. "IMPROVING THE EOB TOOLBOX FOR GRAVITATIONAL WAVE DATA ANALYSIS." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/299793.

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La stima dei parametri fisici degli eventi di onde gravitazionali rilevati da LIGO e Virgo si basa su modelli di forme d'onda analitiche, eventualmente calibrati da simulazioni di Relatività Numerica. Il modello EOB (Effective-One-Body) è uno dei principali modelli analitici per l’analisi dei segnali gravitazionali emessi da buchi neri e stelle di neutroni. La qui presente tesi, a grandi linee, è un lavoro di “potenziamento” di questo modello, e in particolare I) lo miglioriamo nei suoi vari settori, con l'obiettivo finale di costruire un modello che includa tutte le informazioni fisiche dispo
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Sanghai, Viraj A. A. "Post-Newtonian gravity in cosmology." Thesis, Queen Mary, University of London, 2017. http://qmro.qmul.ac.uk/xmlui/handle/123456789/25942.

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The post-Newtonian (PN) perturbative framework has been successful in understanding the slow-motion, weak fi eld limit of Einstein's theory of gravity on solar system scales, and for isolated astrophysical systems. The parameterized post-Newtonian (PPN) formalism extended the PN framework to put very tight constraints on deviations from Einstein's theory on the aforementioned scales and systems. In this work, we extended and applied the post-Newtonian formalism to cosmological scales. We fi rst used it to construct a cosmological model to understand the effect of regularly arranged point sourc
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Johnstone, Alexander C. "Placing a bound on the post-Newtonian parameter [alpha]₂." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81345.

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A method for obtaining a smaller bound for the post-Newtonian parameter alpha 2 is outlined. alpha2 is a parameter in the post-Newtonian formalism associated with violation of Lorentz invariance. The current bound found by Nordvedt, alpha2 < 1.2 x 10 -7, was obtained using solar system data. We show that, by analysing millisecond pulsar profiles and limiting the amount of secular evolution, a smaller bound can be obtained.
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Villa, E. "POST-NEWTONIAN COSMOLOGY IN THE EULERIAN AND LAGRANGIAN FRAMES." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/238757.

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This thesis is devoted to the post-Newtonian (PN) approximation of General Relativity in Cosmology. We analysed the procedure for passing from GR to Newtonian theory in both the Eulerian and the Lagrangian approaches to gravitational dynamics and also the connection between the two. In the GR framework we provided the transformation equations from the Poisson gauge to the synchronous and comoving gauge for the metric in the Newtonian approximation, being completely non-linear in the standard perturbation theory. We fully recovered equations and solution for the metric both in the relativistic
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BRECCIONE, MATTUCCI ALESSANDRO. "Post-Newtonian approximation in higher-order metric theories of gravity." Doctoral thesis, Università degli Studi dell'Aquila, 2021. http://hdl.handle.net/11697/170004.

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The Post-Newtonian limit of a fourth-order metric theory of gravity is discussed, based on the most general quadratic Lagrangian. This approach involves the use of the perturbation expansion of the metric tensor, extended up to the fourth-order and expressed in terms of three gravitational potentials. The analysis concerns the search and the resolution, where possible, of systems of coupled fourth-order differential equations, obtained by varying the conditions placed on the coupling constants appearing in the Lagrangian. The solutions are computed using the Green’s function method. Finally, t
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Marchand, Tanguy. "Studying gravitational waves of compact binary systems using post-Newtonian theory." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS121/document.

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La détection ainsi que l’analyse des ondes gravitationnelles émises par les systèmes binaires d’objets compacts reposent sur notre capacité à faire des prédictions précises au sein de la théorie de la relativité générale. Dans cette thèse, nous utilisons la théorie post-newtonienne (PN), et en particulier le formalisme connu sous le nom de Blanchet-Damour-Iyer, afin d’étudier de tels systèmes. La finalité des différents calculs réalisés au sein de cette thèse est d’obtenir la phase du signal gravitationnel à l’ordre 4,5PN, et les résultats que nous présentons nous rapprochent fortement de cet obj
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Schwartz, Philip Klaus [Verfasser]. "Post-Newtonian Description of Quantum Systems in Gravitational Fields / Philip Klaus Schwartz." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2020. http://d-nb.info/1219652210/34.

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Taniguchi, Keisuke. "Ellipsoidal Figures of Equilibrium in the First Post-Newtonian Approximation of General Relativity." 京都大学 (Kyoto University), 1999. http://hdl.handle.net/2433/181944.

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Ohme, Frank. "Bridging the gap between post-Newtonian theory and numerical relativity in gravitational-wave data analysis." Phd thesis, Universität Potsdam, 2012. http://opus.kobv.de/ubp/volltexte/2012/6034/.

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One of the most exciting predictions of Einstein's theory of gravitation that have not yet been proven experimentally by a direct detection are gravitational waves. These are tiny distortions of the spacetime itself, and a world-wide effort to directly measure them for the first time with a network of large-scale laser interferometers is currently ongoing and expected to provide positive results within this decade. One potential source of measurable gravitational waves is the inspiral and merger of two compact objects, such as binary black holes. Successfully finding their signature in the noi
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Stabile, Antonio. "Constraining models of extended theories of gravity with terrestrial and astrophysical experiments." Doctoral thesis, Universita degli studi di Salerno, 2015. http://hdl.handle.net/10556/1964.

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2013 - 2014<br>In this Thesis we report a general review of Extended Theories of Gravity and the fundamental aspects of General Relativity. We show the technicality of development of field equation with respect to Newtonian, Post-Newtonian approach and the post-Minkowskian limit. We analyse also the problem of how conformally transformed models behave in the weak field limit approximation. This issue could be extremely relevant in order to select conformally invariant physical quantities. The photon deflection is considered in the framework of the Newtonian Limit of a general class of f (
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Livres sur le sujet "Post Newtoniano"

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Uphoff, Norman Thomas. Learning from Gal Oya: Possibilities for participatory development and post-Newtonian social science. Cornell University Press, 1992.

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O’Leary, Joseph. General Relativistic and Post-Newtonian Dynamics for Near-Earth Objects and Solar System Bodies. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-80185-4.

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Morçöl, Göktuğ. A new mind for policy analysis: Toward a post-Newtonian and postpositivist epistemology and methodology. Praeger, 2002.

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Poisson, Eric, and Clifford M. Will. Gravity: Newtonian, Post-Newtonian, Relativistic. Cambridge University Press, 2014.

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Poisson, Eric, and Clifford M. Will. Gravity: Newtonian, Post-Newtonian, Relativistic. imusti, 2014.

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Deruelle, Nathalie, and Jean-Philippe Uzan. The post-Newtonian approximation. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198786399.003.0052.

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This chapter embarks on a study of the two-body problem in general relativity. In other words, it seeks to describe the motion of two compact, self-gravitating bodies which are far-separated and moving slowly. It limits the discussion to corrections proportional to v2 ~ m/R, the so-called post-Newtonian or 1PN corrections to Newton’s universal law of attraction. The chapter first examines the gravitational field, that is, the metric, created by the two bodies. It then derives the equations of motion, and finally the actual motion, that is, the post-Keplerian trajectories, which generalize the
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Kremer, Gilberto Medeiros. Post-Newtonian Hydrodynamics: Theory and Applications. Cambridge Scholars Publisher, 2022.

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Richards, Joan L. Generations of Reason: A Family's Search for Meaning in Post-Newtonian England. Yale University Press, 2022.

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Kline, Katherine. Playmaker: A New Concept of Leadership in the Post-Newtonian Age, A dissertation. Vidan Press, 1998.

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EOS Space Systems Pty. Ltd. General Relativistic and Post-Newtonian Dynamics for near-Earth Objects and Solar System Bodies. Springer International Publishing AG, 2021.

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Chapitres de livres sur le sujet "Post Newtoniano"

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Verriest, Erik I. "Post-Newtonian Gravitation." In Mathematical and Computational Approaches in Advancing Modern Science and Engineering. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30379-6_15.

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Motz, Lloyd, and Jefferson Hane Weaver. "Post-Newtonian Astronomy." In The Story of Astronomy. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-6309-3_10.

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Will, Clifford M. "Gravity: Newtonian, Post-Newtonian, and General Relativistic." In Gravity: Where Do We Stand? Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-20224-2_2.

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Straumann, Norbert. "The Post-Newtonian Approximation." In General Relativity. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-5410-2_6.

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Straumann, Norbert. "The Post-Newtonian Approximation." In General Relativity. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-11827-6_6.

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Motz, Lloyd, and Jefferson Hane Weaver. "The Post-Newtonian Era." In The Story of Physics. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4899-6305-5_7.

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Motz, Lloyd, and Jefferson Hane Weaver. "The Post-Newtonian Era." In The Story of Physics. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4899-6305-5_8.

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Hohmann, Manuel. "Parametrized Post-Newtonian Formalism." In Modified Gravity and Cosmology. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-83715-0_24.

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Blanchet, Luc. "Post-Newtonian Gravitational Radiation." In Einstein’s Field Equations and Their Physical Implications. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/3-540-46580-4_3.

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O’Leary, Joseph. "Post-Newtonian Satellite Orbits." In General Relativistic and Post-Newtonian Dynamics for Near-Earth Objects and Solar System Bodies. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-80185-4_5.

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Actes de conférences sur le sujet "Post Newtoniano"

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Sanghai, Viraj A. A. "Post-Newtonian cosmological models." In Proceedings of the MG14 Meeting on General Relativity. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813226609_0262.

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Blanchet, Luc. "Post-Newtonian Theory and Dimensional Regularization." In ALBERT EINSTEIN CENTURY INTERNATIONAL CONFERENCE. AIP, 2006. http://dx.doi.org/10.1063/1.2399575.

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TEYSSANDIER, PIERRE. "PROPAGATION DIRECTION OF LIGHT IN PARAMETRIZED POST-POST-NEWTONIAN APPROXIMATION." In Proceedings of the MG12 Meeting on General Relativity. WORLD SCIENTIFIC, 2012. http://dx.doi.org/10.1142/9789814374552_0265.

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STACHEL, JOHN. "EINSTEIN'S INTUITION AND THE POST-NEWTONIAN APPROXIMATION." In Proceedings of 2002 International Conference. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812772732_0038.

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Graber, James S. "Constraining post-Newtonian parameters with gravitational waves." In RELATIVISTIC ASTROPHYSICS: 20th Texas Symposium. AIP, 2001. http://dx.doi.org/10.1063/1.1419661.

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Hohmann, M. "Parameterized post-Newtonian limit of Horndeski's gravity theory." In Twelfth Asia-Pacific International Conference on Gravitation, Astrophysics, and Cosmology. WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789814759816_0030.

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BLANCHET, LUC. "ON THE ACCURACY OF THE POST-NEWTONIAN APPROXIMATION." In Proceedings of the 25th Johns Hopkins Workshop on Current Problems in Particle Theory. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812791368_0022.

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GERGELY, LÁSZLÓ Á., ZOLTÁN KERESZTES, and BALÁZS MIKÓCZI. "THE SECOND POST-NEWTONIAN ORDER GENERALIZED KEPLER EQUATION." In Proceedings of the MG11 Meeting on General Relativity. World Scientific Publishing Company, 2008. http://dx.doi.org/10.1142/9789812834300_0445.

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Faber, Joshua A. "Post-Newtonian SPH simulations of binary neutron stars." In RELATIVISTIC ASTROPHYSICS: 20th Texas Symposium. AIP, 2001. http://dx.doi.org/10.1063/1.1419655.

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Pease, Leonard F., Judith Ann Bamberger, Carolyn A. Burns, and Michael J. Minette. "Large Particle Separation From Non-Newtonian Slurries Using Bump Arrays." In ASME 2021 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/fedsm2021-65904.

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Abstract Here we evaluate the performance of bump arrays to separate large particles from non-Newtonian slurries with Bingham and Cross rheology. Bump arrays in deterministic lateral displacement devices separate large particles from small particles using arrays of staggered posts. Large particles, defined as those with radii larger than the distance between the edge of a post and the stagnation streamline from the next downstream post, must bump toward one side of the device, whereas particles smaller than this distance slalom from entrance to exit without net lateral displacement. Although t
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