Letteratura scientifica selezionata sul tema "Compactification Kaluza-Klein"
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Articoli di riviste sul tema "Compactification Kaluza-Klein"
Sochichiu, Corneliu. "Quantum Kaluza–Klein compactification". Physics Letters B 463, n. 1 (settembre 1999): 27–32. http://dx.doi.org/10.1016/s0370-2693(99)00960-0.
Testo completoSTRATHDEE, J. "KALUZA-KLEIN THEORY". International Journal of Modern Physics A 01, n. 01 (aprile 1986): 1–37. http://dx.doi.org/10.1142/s0217751x86000022.
Testo completoChakraborty, B., e R. Parthasarathy. "Dynamical compactification in Kaluza-Klein cosmology". Physics Letters A 142, n. 2-3 (dicembre 1989): 75–78. http://dx.doi.org/10.1016/0375-9601(89)90163-1.
Testo completoDURACHTA, J. W. "TOWARDS A CONSISTENT FOUR-DIMENSIONAL SUPERSTRING (I)". International Journal of Modern Physics A 06, n. 23 (30 settembre 1991): 4133–47. http://dx.doi.org/10.1142/s0217751x91002033.
Testo completoLü, H., e C. N. Pope. "Domain Walls from M-Branes". Modern Physics Letters A 12, n. 15 (20 maggio 1997): 1087–94. http://dx.doi.org/10.1142/s0217732397001102.
Testo completoFarrera, Carlos M., Alejandro Granados-González, Héctor Novales-Sánchez e J. Jesús Toscano. "Quark-flavor-changing Higgs decays from a universal extra dimension". International Journal of Modern Physics A 35, n. 24 (30 agosto 2020): 2050141. http://dx.doi.org/10.1142/s0217751x20501419.
Testo completoSarmadi, M. H. "Spontaneous compactification in quantum Kaluza-Klein theories". Nuclear Physics B 263, n. 1 (gennaio 1986): 187–206. http://dx.doi.org/10.1016/0550-3213(86)90034-9.
Testo completoKRASNIKOV, N. V. "MONOPOLES ARE NOT AN INEVITABLE CONSEQUENCE OF THE GRAND UNIFICATION". Modern Physics Letters A 03, n. 14 (ottobre 1988): 1379–84. http://dx.doi.org/10.1142/s0217732388001653.
Testo completoOSORIO, M. A. R., e M. A. VÁZQUEZ-MOZO. "STRING VARIATIONS ON KALUZA-KLEIN COSMOLOGY". Modern Physics Letters A 08, n. 34 (10 novembre 1993): 3215–31. http://dx.doi.org/10.1142/s0217732393002142.
Testo completoNoguchi, Tatsuya, Masahiro Yamaguchi e Masakazu Yamashita. "Gravitational Kaluza–Klein modes in warped superstring compactification". Physics Letters B 636, n. 3-4 (maggio 2006): 221–26. http://dx.doi.org/10.1016/j.physletb.2006.03.040.
Testo completoTesi sul tema "Compactification Kaluza-Klein"
Duboeuf, Bastien. "Compactification Kaluza-Klein, Géométrie Exceptionnelle et Holographie". Electronic Thesis or Diss., Lyon, École normale supérieure, 2024. http://www.theses.fr/2024ENSL0028.
Testo completoString Theories are our most promising candidates in the goal of unifying all interactions in nature. Gravity is naturally encapsulated in all String Theories, which are ultraviolet-free from divergences. A general feature of String Theories is the number of spacetime dimensions required. This number is either 26 or 10. In any case, this requires some further modifications of the theories since the world we are living in is a priori a 4-dimensional spacetime space. One way to tackle this problem is via so-called Kaluza-Klein compactifications. The latter is a process in which some of the dimensions of the total space are made compact and small. The idea is that at our macroscopic scale and daily energy level, the effects of those "extra" dimensions are sufficiently small so we can ignore them. In this thesis we will be interested in Supergravities, obtained from a certain regime of String Theories. In those theories, additional symmetries show up in dimensional compactifications, which allow us to reformulate Supergravities into so-called Exceptional Field Theories. Let us finally remark that Supergravities are particularly important in the context of the AdS/CFT correspondence, stating the equivalence between a theory of gravity, here a Supergravity defined on an Anti-de-Sitter (AdS) background, and a Quantum Field Theory, here a Conformal Field Theory living on the boundary of the AdS previous spacetime. In the first part of the thesis, we will make general comments and use it to introduce various concepts needed throughout the thesis. In the second part of the thesis, we will show how to use Exceptional Field Theory tech- niques to compute spectra of solutions of 11-dimensional Supergravity on AdS₄ × Σ⁷ . After reviewing the state-of-the-art techniques for Kaluza-Klein spectroscopy, we will show how Exceptional Field Theory techniques can be extended to spaces with the condition of Generalized parallelizability. We will illustrate how this technology works in the case of AdS₄ × S⁷squashed solution of 11- dimensional Supergravity, for which we give a complete answer for the spectrum. We will then show a concrete realization of the AdS₄/CFT₃ correspondence, by computing the domain-wall solution of the Supergravity equations interpolating between the round and the squashed seven- sphere, which is dual to a Renormalization Group flow on the Conformal Field Theory side. This demonstrates that not only Exceptional Field Theory techniques can be used to compute spectra around Supergravities with AdS background, but it also allows us to compute quadratic couplings of Kaluza-Klein fluctuations around a domain-wall solution of Supergravity. Finally, in the last section of the thesis, we will be interested in n-point couplings in Super- gravities. In a first part, we will show how to compute cubic couplings for specific fields on AdS₅ background of IIB 10-dimensional Supergravity via a brute force calculation. After discussing the achievements made using these techniques, we will show how we can use Exceptional Field Theory techniques to efficiently compute these couplings. Not only will this prove more efficient, but it will also allow us to write the same couplings in a more compact form, to derive formulas that apply to any vacua that are Leibniz parallelizable, and also to reveal Exceptional Field Theory structures that prove long-standing conjectures. We will illustrate the power of these techniques on the example of AdS₅ background of IIB 10-dimensional Supergravity
Kubik, Bogna. "Symétrie électrofaible à la lumière du LHC". Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-00770109.
Testo completoKarthauser, Josef. "Cosmological scaling solutions and the dynamics of Kaluza-Klein compactifications". Thesis, University of Sussex, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.487919.
Testo completoOrtiz, Thomas. "Two dimensional Maximal Supergravity, Consistent Truncations and Holography". Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2014. http://tel.archives-ouvertes.fr/tel-01070735.
Testo completoKrüger, Olaf. "The embedding of gauged N = 8 supergravity into 11 dimensions". Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät, 2016. http://dx.doi.org/10.18452/17662.
Testo completoThis thesis presents the complete embedding of the bosonic section of gauged N = 8 supergravity into 11 dimensions. The fields of 11-dimensional supergravity are reformulated in a non-linear way, such that their supersymmetry transformations can be compared to the four-dimensional ones. In this way, non-linear relations between the redefined higher-dimensional fields and the fields of N = 8 supergravity were already found in the literature. This is the basis for finding direct uplift Ansätze for the bosonic fields of 11-dimensional supergravity in terms of the four-dimensional ones. This work gives the scalar Ans¨atze for the internal fields. First, the well known uplift formulae for the inverse metric, the three-form potential with mixed index structure and the six-form potential are summarized. Secondly, new embedding formulae for the explicit internal metric, the full three-form potential and the warp factor are presented. Additionally, two subsequent non-linear Ansätze for the full internal four-form field strength and the Freund-Rubin term are found. Finally, the vector uplift can simply be found in terms of the obtained scalar fields. The second part of this thesis uses the obtained embedding formulae in order to construct group invariant solutions of 11-dimensional supergravity. In such cases, the higher-dimensional fields can be written solely in terms of certain group invariant tensors that are adapted to the particular geometry of the internal space. Two such examples are discussed in detail. The first one is the well-known uplift of G2 gauged supergravity. Furthermore, a new SO(3)×SO(3) invariant solution of 11-dimensional supergravity is found. In particular, the consistency of both solutions is explicitly checked for a maximally symmetric spacetime. The results may be generalized to other compactifications, e.g. the non-compact CSO(p, q, r) gaugings or the reduction from type IIB supergravity to five dimensions.
Atti di convegni sul tema "Compactification Kaluza-Klein"
van Nieuwenhuizen, Peter. "The Kaluza-Klein Program and Supergravity — The Compactification of Type 2B Supergravity Revisited". In International School of Subnuclear Physics, ISSP 2016, 54th Course. WORLD SCIENTIFIC, 2019. http://dx.doi.org/10.1142/9789811206856_0009.
Testo completoKeizerov, Sergey, e Edward Rakhmetov. "The mass spectrum of four-dimensional modes in seven-dimensional Kaluza-Klein theory with a spontaneous compactification solution of Freund-Rubin type". In The XXth International Workshop High Energy Physics and Quantum Field Theory. Trieste, Italy: Sissa Medialab, 2012. http://dx.doi.org/10.22323/1.138.0059.
Testo completo