Sabir mudassar (15 Ergebnisse)

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Taschenbuch. Zustand: Neu. Braneworld Cosmology and String Phenomenology | Mudassar Sabir (u. a.) | Taschenbuch | Englisch | 2023 | LAP LAMBERT Academic Publishing | EAN 9786207449705 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. …

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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book presents a study of inflationary dynamics of the early Universe in the large extra-dimensional braneworld cosmology. We first provide an introduction to the standard cosmology. Motivated by some of its shortcomings, we introduce the theory of cosmic inflation followed by the detailed derivations of scalar and tensor power spectra. We also discuss the mechanism for reducing the tensor to scalar ratio in Gauss-Bonnet inflationary models. In braneworld, Friedmann equations are modified to include a quadratic term in energy density.We review some of the essential ingredients of swampland program, and discuss its constraints on the theory of cosmic inflation.In particular, the tensor-to-scalar ratio can be reduced without changing the spectral index. Moreover, the constraints on the slope of the potential can be relaxed that are important to realize de Sitter Universe supported by observations. 128 pp. Englisch.…

Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Sabir MudassarMudassar Sabir: Huazhong University of Science & TechnologyThis book presents a study of inflationary dynamics of the early Universe in the large extra-dimensional braneworld cosmology. We first provide an introduc.…

Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - This book presents a study of inflationary dynamics of the early Universe in the large extra-dimensional braneworld cosmology. We first provide an introduction to the standard cosmology. Motivated by some of its shortcomings, we introduce the theory of cosmic inflation followed by the detailed derivations of scalar and tensor power spectra. We also discuss the mechanism for reducing the tensor to scalar ratio in Gauss-Bonnet inflationary models. In braneworld, Friedmann equations are modified to include a quadratic term in energy density.We review some of the essential ingredients of swampland program, and discuss its constraints on the theory of cosmic inflation.In particular, the tensor-to-scalar ratio can be reduced without changing the spectral index. Moreover, the constraints on the slope of the potential can be relaxed that are important to realize de Sitter Universe supported by observations.…

Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 204 pp. Englisch.

Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This book presents a study of inflationary dynamics of the early Universe in the large extra-dimensional braneworld cosmology. We first provide an introduction to the standard cosmology. Motivated by some of its shortcomings, we introduce the theory of cosmic inflation followed by the detailed derivations of scalar and tensor power spectra. We also discuss the mechanism for reducing the tensor to scalar ratio in Gauss-Bonnet inflationary models. In braneworld, Friedmann equations are modified to include a quadratic term in energy density.We review some of the essential ingredients of swampland program, and discuss its constraints on the theory of cosmic inflation.In particular, the tensor-to-scalar ratio can be reduced without changing the spectral index. Moreover, the constraints on the slope of the potential can be relaxed that are important to realize de Sitter Universe supported by observations.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 128 pp. Englisch.…

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Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This monograph delves into the subjects of braneworld cosmology and string theory phenomenology. Various supergravity inflationary models are discussed in the 5-dimensional braneworld scenario, and their predictions are compared to observations. Special emphasis is put on the gauge dependence of scalar-induced gravitational waves (SIGWs), focusing on the radiation domination (RD) and matter domination (MD) eras.In the second part, we present our modern understanding of gravity and the standard model of particle physics in the context of string theory phenomenology. Specifically, a supersymmetric Pati-Salam model with a wrapping number equal to 5 has been constructed from intersecting D6-branes on a Type IIA toroidal orientifold. Approximate string-scale gauge coupling unification is achieved. Remarkably, not only are the soft terms from supersymmetry breaking calculated, but we can also exactly accommodate exact fermion masses and mixings from three-point and four-point Yukawa interactions.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 204 pp. Englisch.…