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D Branes In Supersymmetric Backgrounds

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In this Ph. D. Thesis we concentrate on the study of the extension of the AdS/CFT correspondence to theories with less supersymmetry. In particular, we search for the possibility of adding supersymmetric D-branes in type IIB supergravity solutions which are dual to N=1 supersymmetric gauge theories in four dimensions. In the probe approximation we perform a systematic analysis of the possible supersymmetric D-brane configurations in backgrounds dual to N=1 superconformal field theories, firstly in the AdS_5xY^{p,q} solutions and then in their generalisation to the AdS_5xL^{a,b,c} backgrounds. Some checks of the correspondence between D-brane configurations and chiral operators of the dual gauge theory are performed. We also analyse the possible supersymmetric D5-brane configurations dual to defects (of codimension one and two) in N=1 SYM theory in the framework of the Maldacena-Nunez solution. Beyond the probe approximation, we develop techniques in order to take into account the backreaction undergone by the type IIB supergravity solutions (dual to N=1 superconformal field theories and their extensions to cascading theories) due to the addition of a number of flavour branes of the same order as the number of colour branes which generate the unflavour background. The dual interpretation of those flavour branes is given in terms of dynamical fields transforming in the fundamental representation of the gauge group. Several gauge theories features are matched, like beta functions, anomalies and the duality cascade which describes the RG flow of the cascading field theories.

Progress In Optics

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ISBN : 0080879993
Genre : Science
File Size : 45. 15 MB
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Progress in Optics

Physics Reviews

Author : Isaac M. Khalatnikov
ISBN : 3718604566
Genre : Science
File Size : 89. 33 MB
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Zero Range Potentials And Their Applications In Atomic Physics

Author : Yu.N. Demkov
ISBN : 9781468454512
Genre : Science
File Size : 84. 35 MB
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Optical Studies In Liquids And Solids

Author : D. V. Skobel tsyn
ISBN : 9781468487244
Genre : Science
File Size : 58. 62 MB
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The study of the vibrations of polyatomic molecules has recently turned into one of the most widespread and powerful methods of studying molecular structure. These vibrations ap pear directly in the infrared absorption spectra and Raman spectra of gases, liquids, and solids. A measurement of the number of bands in addition to their positions (frequencies or wavelengths) offers the possibility of obtaining a great deal of important information regarding the geometric and mechanical properties of the molecules, the types of chemical bonds, and so forth. It is now quite difficult to list the vast number of specific problems solved by measuring vibrational fre quencies. As a result of the successful development of research methods and the widespread applica tion of vibrational spectra in analyzing the structures of molecules and the constitution of ma terials, it now becomes necessary to develop the theory of molecular vibrations further. Existing theory, of course, is based on the assumption of the harmonicity of molecular vi brations, which, strictly speaking, is not justified experimentally. The anharmonicity of the molecular vibrations has therefore to be taken into account by introducing appropriate approxi mations. Thus, in carrying out calculations on the vibrations of polyatomic molecules, one uses the force constants calculated from the observed frequency values. However, as a result of the anharmonicity of the vibrations, the values of the observed frequencies differ from the harmonic values, and the force constants used therefore differ from the true ones, i. e.

Bases Para Una Teor A De La Ense Anza Y Psicolog A De La Educaci N

Author : C. H. Patterson
ISBN : 9684261462
Genre : Education
File Size : 46. 12 MB
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Relativistic Nonlinear Electrodynamics

Author : Hamlet Karo Avetissian
ISBN : 9780387300702
Genre : Technology & Engineering
File Size : 56. 7 MB
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This is the first book on the subject matter of relativistic nonlinear electrodynamics The book presents new results on various nonlinear electromagnetic phenomena The topics discussed in the book will be the center of fundamental research in the next decade

Dislocations In Solids

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ISBN : 0080564984
Genre : Science
File Size : 86. 70 MB
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New models for dislocation structure and motion are presented for nanocrystals, nucleation at grain boundaries, shocked crystals, interphase interfaces, quasicrystals, complex structures with non-planar dislocation cores, and colloidal crystals. A review of experimentally established main features of the magnetoplastic effect with their physical interpretation explains many diverse results of this type. The model has many potential applications for forming processes influenced by magnetic fields. • Dislocation model for the magnetoplastic effect • New mechanism for dislocation nucleation and motion in nanocrystals • New models for the dislocation structure of interfaces between crystals with differing crystallographic structure • A unified view of dislocations in quasicrystals, with a new model for dislocation motion • A general model of dislocation behavior in crystals with non-planar dislocation cores • Dislocation properties at high velocities • Dislocations in colloidal crystals

Government Gazette Boletim Oficial

Author : Goa, Daman and Diu (India)
ISBN : UCAL:C2670252
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File Size : 54. 28 MB
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Soviet Atomic Energy

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ISBN : UOM:39015021787950
Genre : Nuclear energy
File Size : 22. 2 MB
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