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Статті в журналах з теми "Stochastic gravity"
Moffat, J. W. "Stochastic gravity." Physical Review D 56, no. 10 (November 15, 1997): 6264–77. http://dx.doi.org/10.1103/physrevd.56.6264.
Повний текст джерелаRoss, D. K., and William Moreau. "Stochastic gravity." General Relativity and Gravitation 27, no. 8 (August 1995): 845–58. http://dx.doi.org/10.1007/bf02113067.
Повний текст джерелаVerdaguer, E. "Stochastic gravity: beyond semiclassical gravity." Journal of Physics: Conference Series 66 (May 1, 2007): 012006. http://dx.doi.org/10.1088/1742-6596/66/1/012006.
Повний текст джерелаErlich, Joshua. "Stochastic emergent quantum gravity." Classical and Quantum Gravity 35, no. 24 (November 19, 2018): 245005. http://dx.doi.org/10.1088/1361-6382/aaeb55.
Повний текст джерелаRumpf, Helmut. "Stochastic Quantum Gravity inDDimensions." Progress of Theoretical Physics Supplement 111 (1993): 63–81. http://dx.doi.org/10.1143/ptps.111.63.
Повний текст джерелаBaulieu, L. "Stochastic equations for gravity." Physics Letters B 175, no. 2 (July 1986): 133–37. http://dx.doi.org/10.1016/0370-2693(86)90702-1.
Повний текст джерелаRumpf, Helmut. "Stochastic quantization of Einstein gravity." Physical Review D 33, no. 4 (February 15, 1986): 942–52. http://dx.doi.org/10.1103/physrevd.33.942.
Повний текст джерелаSalopek, D. S., and J. R. Bond. "Stochastic inflation and nonlinear gravity." Physical Review D 43, no. 4 (February 15, 1991): 1005–31. http://dx.doi.org/10.1103/physrevd.43.1005.
Повний текст джерелаWang, Ya Jun, and Wo Hua Zhang. "Super Gravity Dam Generalized Damage Study." Advanced Materials Research 479-481 (February 2012): 421–25. http://dx.doi.org/10.4028/www.scientific.net/amr.479-481.421.
Повний текст джерелаShushi, Tomer. "Randomness in modified general relativity theory: The stochastic f(R) gravity model." Canadian Journal of Physics 96, no. 11 (November 2018): 1173–77. http://dx.doi.org/10.1139/cjp-2017-0938.
Повний текст джерелаДисертації з теми "Stochastic gravity"
Powell, Jonathan. "Stochastic modelling of atmospheric gravity waves." Thesis, University of Edinburgh, 2004. http://hdl.handle.net/1842/15652.
Повний текст джерелаVan, Loon Jasper. "Functional and stochastic modelling of satellite gravity data /." Delft : NCG Nederlandse Commissie voor Geodesie, 2008. http://opac.nebis.ch/cgi-bin/showAbstract.pl?u20=9789061323075.
Повний текст джерелаHarriss, C. A. "A comprehensive study of metal fatigue as a stochastic process in gravity die-cast LM25 aluminium and timetal 834 titanium alloys." Thesis, Swansea University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.637234.
Повний текст джерелаMartineau, Killian. "Quelques aspects de cosmologie et de physique des trous noirs en gravitation quantique à boucles Detailed investigation of the duration of inflation in loop quantum cosmology for a Bianchi I universe with different inflaton potentials and initial conditions Some clarifications on the duration of inflation in loop quantum cosmology A first step towards the inflationary trans-Planckian problem treatment in loop quantum cosmology Scalar spectra of primordial perturbations in loop quantum cosmology Phenomenology of quantum reduced loop gravity in the isotropic cosmological sector Primordial Power Spectra from an Emergent Universe: Basic Results and Clarifications Fast radio bursts and the stochastic lifetime of black holes in quantum gravity Quantum fields in the background spacetime of a polymeric loop black hole Quasinormal modes of black holes in a toy-model for cumulative quantum gravity Seeing through the cosmological bounce: Footprints of the contracting phase and luminosity distance in bouncing models Dark matter as Planck relics without too exotic hypotheses A Status Report on the Phenomenology of Black Holes in Loop Quantum Gravity: Evaporation, Tunneling to White Holes, Dark Matter and Gravitational Waves." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAY044.
Повний текст джерелаAfter decades of being confined to mathematical physics, quantum gravity now enters the field of experimental science. Following this trend, we consider throughout this thesis three implementation frameworks of Loop Quantum Gravity (LQG): the Universe as a system, black holes and astroparticles. The last one is only outlined while the first two are presented in more detail.Since the cosmological sector is one of the most promising areas for testing and constraining quantum gravity theories, it was not long before the development of different models attempting to apply the ideas of the LQG to the primordial Universe. The work we present deals with the phenomenology associated with these models; both in the homogeneous sector (where we focus particularly on the duration of the inflation phase), as in the inhomogeneous sector (where this time, we study the fate of the primordial power spectra). These combined studies then allow us to specify to what extent effects of (loop) quantum gravity can be observed in the anisotropies of the cosmic microwave background.On the other hand black holes, not content to be among the strangest and most fascinating objects of the Universe, are also prominent probes to test the theories of gravitation. We develop the phenomenology associated with different treatments of black holes in the loop quantum gravity framework, which intervenes on multiple levels: from the evaporation of Hawking to gravitational waves, including dark matter. This is undoubtedly a rich and vast area.Finally, the existence of a minimal length scale, predicted by the majority of quantum gravity theories, suggests a generalization of the Heisenberg uncertainty principle. On the basis of this observation, we also present in this manuscript a methodology to derive a new relation dispersion of light from the most widely used generalized uncertainty principle
Hatifi, Mohamed. "Beyond pilot wave dynamics : non-linearity and non-equilibrium in quantum mechanics." Thesis, Ecole centrale de Marseille, 2019. http://www.theses.fr/2019ECDM0006.
Повний текст джерелаThe quantum theory has modified the way we interpret what in the past was commonly called "physical reality". As an example, according to the standard interpretation of quantum mechanics (the so-called probabilistic interpretation of Copenhagen), the properties of a quantum object have no physical reality, at least not before the observer measures them. Moreover, everything seems to happen as if there was an intrinsic indeterminism in the quantum dynamics that forbids to predict with certainty the result of a measurement. From then, several physical and philosophical interpretations were born to describe (our knowledge of) this reality.It is in 1927, during the Solvay conference, that Louis de Broglie, an opponent of the probabilistic interpretation, proposed an alternative solution to that problem. He proposed on the one hand to restore determinism (as well as realism) and on the other hand to bring back the notion of trajectory to the foreground. Subsequently this theory was rediscovered and supplemented by David Bohm to give birth to the theory known today as pilot wave theory. John Bell said about this interpretation: " In 1952, I saw the impossible done. It was in papers by David Bohm. Bohm showed explicitly how .... the indeterministic description could be transformed into a deterministic one."The works carried out in this manuscript are in continuity with de Broglie’s view and can be summed up in two main parts, each of them having the aim of answering a particular problem. In the first part, we consider two versions of the pilot wave theory: a deterministic version (de Broglie-Bohm dynamics in chapter 2) as well as one of its stochastic extensions (Bohm-Hiley-Nelson dynamics in chapter 3). In the framework of what is called the "Quantum non-equilibrium" approach we shall see how the quantum probability emerges from those dynamics. This approach makes it possible to get rid of the axiomatic status of the probability distribution but also to justify it by arguments similar to those found in statistical mechanics. Among these arguments we shall for instance find ergodicity, chaos, mixing and other properties that will be studied in depth (chapter 4). In particular, the emergence of the quantum probability is accompanied by a relaxation process that will be characterized for both dynamics (in chapter 3 we derive a strong H-theorem for the stochastic dynamics which quantitatively describes how this process occurs). In addition, we will try in a phenomenological approach to apply these quantum pilot wave theories to the macroscopic dynamics of bouncing oil droplets (chapter 5).The second problem is linked to a hypothetical nonlinear generalization of the quantum theory. In particular, we considered the Schrodinger Newton equation as a first proposal to this generalization. In a nutshell, this non-linear equation derives from a semi-classical approximation of gravity and has been proposed by Roger Penrose among others to explain the collapse of the wave function. We shall first show how it is related to the double solution program of Louis de Broglie (chapter 6). Subsequently we will see how to test this nonlinear generalization by considering two experimental proposals (chapter 7). In particular, one of these proposals will lead us to study the interplay between decoherence and Doppler cooling (chapter 8). To do this we shall use the model of Ghirardi-Rimini and Weber (GRW) as a decoherence model, which will allow us to generalize their original results
Williams, Paul David. "Nonlinear interactions of fast and slow modes in rotating, stratified fluid flows." Thesis, University of Oxford, 2003. http://ora.ox.ac.uk/objects/uuid:5365c658-ab60-41e9-b07b-0f635909835e.
Повний текст джерелаFoudil-Bey, Nacim. "Développement d'outils d'interprétation de données géophysiques." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0142/document.
Повний текст джерелаIn recent years with the technology developments, airborne geophysical methods (gravity, magnetic, and electromagnetic) are widely used in the natural resource exploration at the regional scale. It covers large areas particularly in the areas with difficult access. The first part of this thesis consist on the development of new forward modeling algorithm for the calculation of the components of the gravity and magnetic fields based on a tetrahedron grid. The tetrahedral mesh allows the representation of very complex geological models holding many heterogeneous and faulted zones with an optimal number of elements, this reduces significantly the time calculation. Several inversion techniques use mathematical constraints for the resolution of the inverse problem in order to reduce the number of possible models. However the proposed solutions called also "the most probable model" provide a smooth solutions that cannot represent the geological reality. To circumvent this problem in the second and the third parts of this thesis, we made two major improvements. The first, we integrate Sequential Gaussian Simulation into the inversion procedure to determine a possible distributions of a single property. The second is that we used the Co-Simulation in the case of joint inversion to estimate a posteriori probabilities of the simulated models. The last part of this thesis presents an alternative to the several variables simulation, supervised learning of neural networks allows to establish a relationship between the different variables
Lenormand, Maxime. "Initialiser et calibrer un modèle de microsimulation dynamique stochastique : application au modèle SimVillages." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2012. http://tel.archives-ouvertes.fr/tel-00822114.
Повний текст джерелаSia, Sheng-Cong, and 謝成聰. "Estimating Non-Tariff Barriers on International Fresh Apple Trade: An Application of Stochastic Frontier Gravity Model." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/vvr6bm.
Повний текст джерела國立臺灣大學
農業經濟學研究所
104
This thesis evaluates the impact of non-tariff barriers on the trade of fresh apples using a stochastic frontier specification of the gravity model. The empirical analysis is based on the transactions between twenty major fresh apple trading countries during the period 2001 to 2013. The estimation results suggest that trade flows of fresh apple are mainly affected by total productions of exporter countries, GDP per capita of importer countries, populations in importer countries, and signing status of FTAs. The stochastic frontier gravity model allows us to identify the efficiency of fresh apple trades of each country. The value of trade efficiency determines the deviation of actual trade from the frontier estimated. The average export and import efficiency of fresh apples are 9.27% and 8.80%, respectively, which are considered to be ineffective. This result suggests that non-tariff barriers are taken an important role in trade restrictions of fresh apple. Furthermore, average values of export and import efficiency of fresh apples for developed countries are 10.72% and 9.45%, respectively. But developing countries only contain 6.57% of export efficiency and 7.59% of import efficiency. This indicates that the impact of non-tariff barriers on developing countries is greater than on developed countries. In addition, fresh apple trade of each country has suffered varying extent of influence from non-tariff barriers. For example, the average import efficiency of United Arab Emirates is 23.83% but it’s only 0.18% in Argentina. This may due to the measurement criterions of non-tariff barriers are different among each country. Thus for sustainable development in agricultural trade, further integration and developing uniform standards for non-tariff barriers should be considered.
Tung, Chia-Wen, and 董珈汶. "The application of Gravity-type Interactive Markov Chain to Solve Stochastic User equribrium problem in a network." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/64820329209323694300.
Повний текст джерела國立交通大學
交通運輸研究所
86
The Gravity-type Interactive Markov models(GIM models) were introduced by Smith and Hsieh in 1994,in which migration flows in each time period are postulated to vary directly with some population-dependent measure of attractiveness and inversely with some symmetric measure of migration costs. From the viewpoint of theoretical analysis, the choice behavior of individuals inGIM models is similar to that of drivers in selecting routes in logit-based stochastic traffic assignment problems. This study is trying to formulate the GIM model of the stochastic traffic assignment in a road network. The followings will be the goal of this study: (1). Prove that the steady-state conditions of the GIM model is equivalent to the stochastic user equilibrium (SUE) conditions of the problems.(2).Develop a new algorithm for solving the SUE of the problems.(3).Compare the GIM algorithm with exiting algorithm, e.g. Frank-Wolfe method, MSA.(4).Analyze the convergence to the SUE of the GIM algorithm. This method has implemented by Mathmatica. The computation of different algorithms on different examples shows that the adjustment ratio have a great influence on the speed of convergence. And the level of overlapping in the network is slight, we can solve the stochastic user equilibrium problems that haveoverlapping links in the network by GIM algorithm.
Книги з теми "Stochastic gravity"
Loon, Jasper Van. Functional and stochastic modelling of satellite gravity data. Delft: NCG, Nederlandse Commissie voor Geodesie, 2008.
Знайти повний текст джерелаMorozov, A. N. Neobratimye prot͡s︡essy i brounovskoe dvizhenie: Fiziko-tekhnicheskie problemy. Moskva: Izd-vo MGTU im. N.Ė. Baumana, 1997.
Знайти повний текст джерелаLafontaine, Jean de. Orbital dynamics in a stochastic atmosphere and a nonspherical gravity field. [Downsivew, Ont.]: [Institute for Aerospace Studies], 1986.
Знайти повний текст джерелаNATO Advanced Research Workshop on Probabilistic Methods in Quantum Field Theory and Quantum Gravity (1989 Cargèse, France). Probabilistic methods in quantum field theory and quantum gravity. New York: Plenum Press, 1990.
Знайти повний текст джерелаGwynne, Ewain. Percolation on uniform quadrangulations and SLE6 on √8/3-Liouville quantum gravity. Paris: Société mathématique de France, 2021.
Знайти повний текст джерелаDevelopments in spectral stochastic techniques for gravity field modelling. Oxford: Pergamon, 1998.
Знайти повний текст джерелаHu, Bei-Lok B., and Enric Verdaguer. Semiclassical and Stochastic Gravity: Quantum Field Effects on Curved Spacetime. University of Cambridge ESOL Examinations, 2020.
Знайти повний текст джерелаHu, Bei-Lok B., and Enric Verdaguer. Semiclassical and Stochastic Gravity: Quantum Field Effects on Curved Spacetime. Cambridge University Press, 2020.
Знайти повний текст джерелаHu, Bei-Lok B., and Enric Verdaguer. Semiclassical and Stochastic Gravity: Quantum Field Effects on Curved Spacetime. Cambridge University Press, 2020.
Знайти повний текст джерелаJoseph Roger Jean De Lafontaine. Orbital dynamics in a stochastic atmosphere and a nonspherical gravity field. 1987.
Знайти повний текст джерелаЧастини книг з теми "Stochastic gravity"
Prugovečki, Eduard. "Geometro-Stochastic Quantum Gravity." In Quantum Geometry, 337–432. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-015-7971-1_11.
Повний текст джерелаBaulieu, Laurent. "On Gauge Invariances in Stochastic Quantization." In Random Surfaces and Quantum Gravity, 337–46. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3772-4_22.
Повний текст джерелаSanchez-Gomez, José L. "Macroscopic Decoherence and Classical Stochastic Gravity." In Fundamental Problems in Quantum Physics, 291–97. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-015-8529-3_28.
Повний текст джерелаJona-Lasinio, G. "Some mathematical aspects of stochastic quantization." In Field Theory, Quantum Gravity and Strings, 127–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/3-540-16452-9_7.
Повний текст джерелаZessin, H. "Stochastic Geometry and Quantum Gravity: Some Rigorous Results." In New Paths Towards Quantum Gravity, 313–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11897-5_6.
Повний текст джерелаDermanis, Athanasios. "Establishing Global Reference Frames. Nonlinear, Temporal, Geophysical and Stochastic Aspects." In Gravity, Geoid and Geodynamics 2000, 35–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-662-04827-6_6.
Повний текст джерелаStarobinsky, A. A. "Stochastic de sitter (inflationary) stage in the early universe." In Field Theory, Quantum Gravity and Strings, 107–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/3-540-16452-9_6.
Повний текст джерелаKennedy, A. D. "The Theory of Hybrid Stochastic Algorithms." In Probabilistic Methods in Quantum Field Theory and Quantum Gravity, 209–23. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4615-3784-7_14.
Повний текст джерелаBaulieu, Laurent. "On Gauge Invariances in Stochastic Quantization." In Probabilistic Methods in Quantum Field Theory and Quantum Gravity, 287–94. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4615-3784-7_21.
Повний текст джерелаNiel, J. C. "Critical Dynamics, Stochastic Quantization and Supersymmetry." In Probabilistic Methods in Quantum Field Theory and Quantum Gravity, 295–98. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4615-3784-7_22.
Повний текст джерелаТези доповідей конференцій з теми "Stochastic gravity"
Cho, Gihyuk, Cook Hyun Kim, and Hiroyuki Kitamoto. "Stochastic Dynamics of Infrared Fluctuations in Accelerating Universe." In Second LeCosPA International Symposium: Everything about Gravity. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813203952_0018.
Повний текст джерелаShamsipour, Pejman, Ernst Schetselaar, Michel Chouteau, and Denis Marcotte. "3D STOCHASTIC GRAVITY INVERSION ON UNSTRUCTURED MESHES." In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2014. Society of Exploration Geophysicists and Environment and Engineering Geophysical Society, 2014. http://dx.doi.org/10.4133/sageep.27-075.
Повний текст джерелаShamsipour, Pejman, Ernst Schetselaar, Michel Chouteau, and Denis Marcotte. "3D STOCHASTIC GRAVITY INVERSION ON UNSTRUCTURED MESHES." In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2014. Society of Exploration Geophysicists and Environment and Engineering Geophysical Society, 2014. http://dx.doi.org/10.1190/sageep.27-075.
Повний текст джерелаLavenda, B. H. "Stochastic Electrodynamics: A Road to Quantum Gravity." In 101st WE-Heraeus-Seminar. WORLD SCIENTIFIC, 1993. http://dx.doi.org/10.1142/9789814503648_0024.
Повний текст джерелаGeng*, Meixia, Danian Huang, Ping Yu, and Qingjie Yang. "3D stochastic joint inversion of borehole gravity and gravity gradient data using cokriging." In SEG Technical Program Expanded Abstracts 2014. Society of Exploration Geophysicists, 2014. http://dx.doi.org/10.1190/segam2014-0183.1.
Повний текст джерелаFukuma, Masafumi, and Nobuyuki Matsumoto. "Emergent quantum geometry from stochastic random matrices." In Corfu Summer Institute 2019 "School and Workshops on Elementary Particle Physics and Gravity". Trieste, Italy: Sissa Medialab, 2020. http://dx.doi.org/10.22323/1.376.0180.
Повний текст джерелаGrishchenko, A. D. "Chaos due to the interaction of capillary and gravity waves on the surface of deep water." In Applied nonlinear dynamics and stochastic systems near the millenium. AIP, 1997. http://dx.doi.org/10.1063/1.54213.
Повний текст джерелаGiraud, J., H. Seillé, G. Visser, V. Ogarko, M. Lindsay, and M. Jessell. "Utilisation of stochastic MT inversion results to constrain gravity inversion." In 82nd EAGE Annual Conference & Exhibition. European Association of Geoscientists & Engineers, 2021. http://dx.doi.org/10.3997/2214-4609.202113105.
Повний текст джерелаGeng, M. X., D. N. Huang, and Q. J. Yang. "3D Stochastic Inversion of Full-tensor Gravity Gradiometry Data Using Cokriging." In 76th EAGE Conference and Exhibition 2014. Netherlands: EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20141554.
Повний текст джерелаShamsipour, P., M. Chouteau, D. Marcotte, and P. Keating. "3D stochastic inversion of borehole and surface gravity data using Geostatistics." In EGM 2010 International Workshop. European Association of Geoscientists & Engineers, 2010. http://dx.doi.org/10.3997/2214-4609-pdb.165.c_op_06.
Повний текст джерелаЗвіти організацій з теми "Stochastic gravity"
Shamsipour, P., M. Chouteau, P. Keating, and D. Marcotte. Three-dimensional stochastic inversion of gravity data: application to gravity data from the Matagami region, Quebec. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2010. http://dx.doi.org/10.4095/286079.
Повний текст джерела