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 #  AuthorTitleAccn#YearItem Type Claims
1 Jonathan Pearson Generalized perturbations in modified gravity and dark energy I02376 eBook  
2 Sylvio Ferraz-Mello Canonical perturbation theorie I00103 2007 eBook  
3 Mauri Valtonen Three-body problem 024696 2006 Book  
4 David H. Lyth Primordial density perturbation: Cosmology, inflation and the origin of structure 022612 2009 Book  
5 AIRY, G.B. Gravitation: Elementary explanation of the principal pertourbations in the solar system 019359 1934 Book  
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TitleGeneralized perturbations in modified gravity and dark energy
Author(s)Jonathan Pearson
Description1 online resource (xix, 200 pages) : illustrations (some color)
Abstract NoteWhen predictions of Einstein's theory of General Relativity are compared against observations of our Universe, a huge inconsistency is found. The most popular fix for this inconsistency is to "invent" around 94% of the content of the universe: dark matter and dark energy. The dark energy is some exotic substance responsible for the apparent observed acceleration of the Universe. Another fix is to modify the theory of gravity: it is entirely plausible that Einstein's theory of General Relativity breaks down on cosmological scales, just as Newton's theory of gravity breaks down in the extreme gravitational field of the Sun. There are many alternative theories of gravity, each with the aim of describing observations of our Universe where General Relativity fails. Whether it is dark energy or some modified theory of gravity, it is clear that there is some "dark sector" in the Universe. In this thesis the author constructs a unifying framework for understanding the observational impact of general classes of dark sector theories, by formulating equations of state for the dark sector perturbations
Contents NoteGravitational theories and cosmology -- The effective action formalism for cosmological perturbations -- Metric only and first order scalar field theory -- High derivative theories -- Explicit theories -- Connections to massive gravity -- Generalized fluid description -- Observational signatures of generalized cosmological perturbations -- Discussion and final remarks
NotesIncludes bibliographical references
Keyword(s)1. Classical and Quantum Gravitation, Relativity Theory 2. COSMOLOGY 3. Dark energy (Astronomy) 4. EBOOK 5. EBOOK - SPRINGER 6. GENERAL RELATIVITY (PHYSICS) 7. GRAVITATION 8. Mathematical Applications in the Physical Sciences 9. PERTURBATION (ASTRONOMY) 10. PHYSICS 11. SCIENCE / Astronomy
Item TypeeBook
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Accession#  Call#StatusIssued ToReturn Due On Physical Location
I02376     On Shelf    

2.     
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TitleCanonical perturbation theorie : degenerate systems and resonance
Author(s)Sylvio Ferraz-Mello
PublicationNew York, Springer, 2007.
Description1 online resource (xiv, 341 p.) : ill
NotesIncludes bibliographical references (p. [331]-335) and index
Keyword(s)1. EBOOK 2. EBOOK - SPRINGER 3. HAMILTONIAN SYSTEMS 4. MATHEMATICS 5. Mec�anica celeste 6. PERTURBATION (ASTRONOMY) 7. SCIENCE 8. Series, Lie
Item TypeeBook
Multi-Media Links
Please Click Here for the Online Book
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Accession#  Call#StatusIssued ToReturn Due On Physical Location
I00103     On Shelf    

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TitleThree-body problem
Author(s)Mauri Valtonen;Hannu Karttunen
PublicationCambridge, Cambridge University Press, 2006.
Descriptionx, 345p.
Abstract NoteHow do three celestial bodies move under their mutual gravitational attraction? This problem has been studied by Isaac Newton and leading mathematicians over the last two centuries. Poincaré's conclusion, that the problem represents an example of chaos in nature, opens the new possibility of using a statistical approach. For the first time this book presents these methods in a systematic way, surveying statistical as well as more traditional methods. The book begins by providing an introduction to celestial mechanics, including Lagrangian and Hamiltonian methods, and both the two and restricted three body problems. It then surveys statistical and perturbation methods for the solution of the general three body problem, providing solutions based on combining orbit calculations with semi-analytic methods for the first time. This book should be essential reading for students in this rapidly expanding field and is suitable for students of celestial mechanics at advanced undergraduate and graduate level.
ISBN,Price9780521852241 : UKP 63.00(HB)
Classification521.135
Keyword(s)1. CELESTIAL MECHANICS 2. HAMILTONIAN MECHANICS 3. LAGRAGIAN MECHANICS 4. PERTURBATION (ASTRONOMY) 5. THREE BODY PROBLEM
Item TypeBook

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Accession#  Call#StatusIssued ToReturn Due On Physical Location
024696   521.135/VAL/024696  On Shelf    

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TitlePrimordial density perturbation: Cosmology, inflation and the origin of structure
Author(s)David H. Lyth;Andrew R. Liddle
PublicationCambridge, Cambridge University Press, 2009.
Descriptionxviii, 497p.
ISBN,Price9780521828499 : UKP 40.00(HB)
Classification524.8
Keyword(s)1. COSMOLOGY 2. EARLY UNIVERSE 3. FIELD THEORY 4. GENERAL RELATIVITY 5. PERTURBATION (ASTRONOMY) 6. PRIMORDIAL PERTURBATION 7. SPECIAL RELATIVITY 8. STRUCTURE FORMATION
Item TypeBook

Circulation Data
Accession#  Call#StatusIssued ToReturn Due On Physical Location
022612   524.8/LYTH/022612  On Shelf    
OB0902   524.8/LYTH/  On Shelf    

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TitleGravitation: Elementary explanation of the principal pertourbations in the solar system
Author(s)G.B. Airy
PublicationLondon, Charles Knight, 1934.
Descriptionxxiii, 94p.
ISBN,PriceRs.94.00(p)
Classification523.2 : 517.19
Keyword(s)1. GRAVITATION 2. LUNAR THEORY 3. PERTURBATION (ASTRONOMY) 4. PLANETS 5. SATELLITES
Item TypeBook

Circulation Data
Accession#  Call#StatusIssued ToReturn Due On Physical Location
019359   523.2 : 517.19/AIRY/019359  On Shelf    

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