Описание: Describes a revolutionary approach to determining low energy routes for spacecraft and comets by exploiting regions in space where motion is very sensitive. This work also represents an introductory text to celestial mechanics, dynamical systems, and dynamical astronomy.
Описание: Selected papers from the Fourth Meeting on Celestial Mechanics, CELMEC IV San Martino al Cimino (Italy), 11-16 September 2005
Автор: A. Hanslmeier; Mauro Messerotti Название: Motions in the Solar Atmosphere ISBN: 9048151511 ISBN-13(EAN): 9789048151516 Издательство: Springer Рейтинг: Цена: 23757.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Proceedings of the Summerschool and Workshop held at the Solar Observatory Kanzelhohe, Karnten, Austria, September 1-12, 1997
This thesis presents several significant new results that shed light on two major puzzles of modern cosmology: the nature of inflation, the very early phase of the universe that is thought to have given rise to the large-scale structures that we observe today; and that of the current accelerated expansion. In particular, it develops a clean method for characterizing linear cosmological perturbations for general theories where gravity is modified and/or affected by a new component, called dark energy, responsible for the accelerated expansion. It proposes a new extension to what were long thought to be the most general scalar field theories devoid of instabilities, and demonstrates the robustness of the relation between the energy scale of inflation and the predicted amplitude of gravitational waves. Finally, it consolidates a set of consistency relations between correlation functions of the cosmological density field and investigates the phenomenological consequences of their potential violation. Presented in a clear, succinct and rigorous style, each of these original results is both profound and important and will leave a deep mark on the field.
Автор: Reza Mansouri; Robert Brandenberger Название: Large Scale Structure Formation ISBN: 9401058180 ISBN-13(EAN): 9789401058186 Издательство: Springer Рейтинг: Цена: 15372.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: The modern Persian word for cosmology is "Keyhan-shenakht," which is also the title of a Persian book written more than 800 years ago. The same term can also be found in Old Persian. In spite of this old tradition, modern cosmology is a new omer within the scientific disciplines in Iran. The cosmology community' is small and not yet well established. Given the spectacular recent advances in observational and theoretical cosmology, the large amount of new observational data which will become available in the near future, and the rapid expansion of the international cosmology community, it was realized that Iran should play a more active role in the exciting human endeavour which cosmology constitutes. This was the main motivation to establish a School on Cosmology in Iran. The plan is to hold a cosmology school every three years somewhere in Iran. The focus of this First School on Cosmology was chosen to be structure formation, a rapidly evolving cornerstone of modern cosmology. The topics of the school were selected in order to give both a broad overview of the current status of cosmological structure formation, and an in-depth dis- cussion of the key issues theory of cosmological perturbations and analysis of cosmic microwave anisotropies. The lectures by Blanchard and Sarkar give an overview of homogeneous cosmological models and standard big bang cosmology. In his contribution, Padmanabhan presents a comprehen- sive discussion of the growth of cosmological perturbations.
Автор: David N. Schramm; P. Galeotti Название: Generation of Cosmological Large-Scale Structure ISBN: 9401065136 ISBN-13(EAN): 9789401065139 Издательство: Springer Рейтинг: Цена: 12157.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Proceedings of the NATO Advanced Study Institute on the Third Erice School on Particle Astrophysics: Generation of Large-Scale Cosmological Structures, Erice, 3-13 November 1996
Описание: This thesis addresses two very different but equally important topics in the very broad fields of astrophysics and cosmology: (I) the generation of cosmological magnetic fields and (II) gravitational fragmentation of the Cosmic Web.
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