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bojowald martin - quantum cosmology

Quantum Cosmology A Fundamental Description of the Universe




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Dettagli

Genere:Libro
Lingua: Inglese
Editore:

Springer

Pubblicazione: 11/2013
Edizione: 2011





Trama

Consequences of quantum gravity on grander scales are expected to be enormous: only such a theory can show how black holes really behave and where our universe came from. Applications of loop quantum gravity to cosmology have especially by now shed much light on cosmic evolution of a universe in a fundamental, microscopic description. Modern techniques are explained in this book which demonstrate how the universe could have come from a non-singular phase before the big bang, how equations for the evolution of structure can be derived, but also what fundamental limitations remain to our knowledge of the universe before the big bang.

The following topics will be covered in this book:

Hamiltonian cosmology: a general basic treatment of isotropy, perturbations and their role for observations; useful in general cosmology.
Effective equations: an efficient way to evaluate equations of quantum gravity, which is also useful in other areas of physics where quantum theory is involved.
Loop quantization: a new formalism for the atomic picture of space-time; usually presented at a sophisticated mathematical level, but evaluated here from an intuitive physical side.

The book will start with physical motivations, rather than mathematical developments which is more common in other expositions of this field. All the required mathematical methods will be presented, but will not distract the reader from seeing the underlying physics. Simple but representative models will be presented first to show the basic features, which are then used to work upwards to a general description of quantum gravity and its applications in cosmology. This will make the book accessible to a more general physics readership.





Sommario

Introduction.- Cosmology and Quantum Theory.- Kinematics: Spatial Atoms.- Dynamics: Changing Atoms of Space-Time.- Effective Equations.- Harmonic Cosmology: The Universe Before the Big Bang and How Much We Can Know About It.- What Does It Mean for a Singularity to be Resolved?.- Anisotropy.- Midisuperspace Models: Black Hole Collapse.- Perturbative Inhomogenities.- Difference Equations.- Physical Hilbert Spaces.- General Aspects of Effective Descriptions.




Autore

Professor Martin Bojowald works on quantum gravity and has initiated loop quantum gravity, which is the main approach to quantum cosmology and the subject of this book. For his work, he has received the First Prize of the Gravity Research Foundation Essay Competition in 2003, the Xanthopoulos Prize of the International Society on General Relativity and Gravitation in 2007, and an NSF Early Career Award in 2008. He has also written several pieces for a general audience on the subject.










Altre Informazioni

ISBN:

9781461430179

Condizione: Nuovo
Collana: Lecture Notes in Physics
Dimensioni: 235 x 155 mm Ø 492 gr
Formato: Brossura
Illustration Notes:X, 310 p.
Pagine Arabe: 310
Pagine Romane: x


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