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Tuesday, May 19, 2020 | History

4 edition of Quantum theory of gravity found in the catalog.

Quantum theory of gravity

essays in honor of the 60th birthday of Bryce S. DeWitt

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Published by A. Hilger in Bristol [Avon] .
Written in English

    Subjects:
  • DeWitt, Bryce S. 1923-,
  • Quantum gravity.

  • Edition Notes

    Includes bibliographies and index.

    Statementedited by Steven M. Christensen.
    ContributionsChristensen, Steven M., DeWitt, Bryce S. 1923-
    Classifications
    LC ClassificationsQC178 .Q39 1984
    The Physical Object
    Paginationxvi, 483 p. :
    Number of Pages483
    ID Numbers
    Open LibraryOL2789237M
    ISBN 100852747551
    LC Control Number83216515

    This book - based on lectures and discussions at the conference Progress and Visions in Quantum Theory in View of Gravity at the MPI MiS in Leipzig, Germany - focuses on the discussion of the status and prospects of current approaches in quantum mechanics and quantum field theory. This essay reviews attempts to construct a unitary, renormalizable quantum field theory of gravity. Particular attention is paid to "non-perturbative" expansions that probe above the Planck energy. It is concluded that there is a consistent flat space perturbation theory capable of describing quantum gravitational processes below the Planck energy. Cited by: 2.

    This book is concerned with the attempts to unify Einstein's theory of general relativity and quantum theory into a theory of quantum gravity. Among the approaches include canonical quantum gravity (including loop quantum gravity), covariant quantum gravity, and string theory. The book also discusses the relevance of these theories for cosmology and the physics of black : Claus Kiefer.   Its (as yet undetected) particle is called the “graviton”, and it is a quantized ripple in the gravitational field in just the same way as I was describing. But it is also true that so far there is no consistent quantum field theory of gravity (despite decades of attempts).

    A theory of quantum gravity is needed to describe things that are very small but also very heavy, like black holes or the early universe. Yet gravity is described by Albert Einstein’s theory of general relativity (discussed in Book I), which seems fundamentally incompatible with quantum mechanics.   Is Gravity Quantum? The ongoing search for the graviton—the proposed fundamental particle carrying gravitational force—is a crucial step in physicists’ long .


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Quantum theory of gravity Download PDF EPUB FB2

Quantum gravity (QG) is a field of theoretical physics that seeks to describe gravity according to the principles of quantum mechanics, and where quantum effects cannot be ignored, such as in the vicinity of black holes or similar compact astrophysical objects where the effects of gravity are strong.

Three of the four fundamental forces of physics are described within the framework of quantum. Loop quantum gravity is one of these, and is the most popular alternative to string theory as a theory of quantum gravity. The initial five chapters of the book motivate the need for quantum gravity and also phrase the theories of general relativity and relativistic quantum physics in a language that will be used to formulate the theory of loop Cited by: Quantum gravity.

One of the many issues is that gravity isn't really a force like the other forces are. Gravity is all about space-time, and space-time is the stage on which all the particles Author: Paul Sutter.

Loop quantum gravity is string theory’s biggest competitor. It gets less press than string theory, in part because it has a fundamentally more limited goal: a quantum theory of gravity. Loop quantum gravity performs this feat by trying to quantize space itself — in other words, treat space like it.

This book can be highly recommended to all those interested in Quantum Gravity and Loop Quantum Gravity. It reviews the basics of General Quantum theory of gravity book and Quantum Field Theory before introducing 3d and 4d Loop Quantum Gravity.

It has numerous exercises Cited by:   There are a couple of them. You could flip through and start reading the one that suits you or meets your requirements. Quantum theory of gravity book list them below: * Quantum Gravity by Carlo Rovelli * Covariant Loop Quantum Gravity by Carlo Rovelli & Francesca Vidotto.

Inphysicist Max Planck presented his quantum theory to the German Physical Society. Planck had sought to discover the reason that radiation from a glowing body changes in color from red, to orange, and, finally, to blue as its temperature rises.

He found that by making the assumption that energy existed in individual units in the same way that matter does, rather than just as a constant. Quantum gravity poses the problem of merging quantum mechanics and general relativity, the two great conceptual revolutions in the physics of the twentieth century.

The loop and spinfoam approach, presented in this book, is one of the leading research programs in the field. The first part of the book discusses the reformulation of the basis of classical and quantum Hamiltonian 5/5(4).

Carlo Rovelli is an Italian theoretical physicist and writer who has worked in Italy, the United States and, sincein France. He works mainly in the field of quantum gravity and is a founder of loop quantum gravity theory.

He has also worked in the history and philosophy of collaborates with several Italian newspapers, including the cultural supplements of the Corriere della Fields: Theoretical physics.

Buy a cheap copy of Three Roads to Quantum Gravity book by Lee Smolin. It's difficult, writes Lee Smolin in this lucid overview of modern physics, to talk meaningfully about the big questions of space and time, given the limitations of Free shipping over $Cited by:   The inability of scientists to create a theory of quantum gravity arises from long-standing tensions between general relativity and quantum mechanics.

There have. “The book qualifies as a very valuable addition to the quantum field theory literature with the distinctive merit of presenting quantum gravity, supersymmetry and string theory in a clear way accessible to graduate students and likely useful also to researchers in quantum field theory and elementary particle theory.” (Franco Strocchi, zbMATH).

This book is concerned with the attempts to unify Einstein's theory of general relativity and quantum theory into a theory of quantum gravity. It presents, for the first time, most of the approaches in a single textbook. Among them are canonical quantum gravity (including loop quantum gravity), covariant quantum gravity, and string theory.

The book also discusses the relevance of these Author: Claus Kiefer. Hence there should exist a broader theory comprising both in appropriate limits, i.e., quantum gravity. This book gives readers a comprehensive introduction accessible to interested non-experts to the main issues surrounding the search for quantum gravity.

In Three Roads to Quantum Gravity, Lee Smolin provides an accessible overview of the attempts to build a final "theory of everything." He explains in simple terms what scientists are talking about when they say the world is made from exotic entities such as loops, strings, and "It would be hard to imagine a better guide to this difficult subject."/5.

Quantum Gravity - Ebook written by Carlo Rovelli. Read this book using Google Play Books app on your PC, android, iOS devices.

Download for offline reading, highlight, bookmark or take notes while you read Quantum Gravity/5(2). 1 Spacetime as a quantum object This book introduces the reader to a theory of quantum gravity. The theory is covariant loop quantum gravity (covariant LQG).

It is a theory that has grown historically via a long indirect path, briefly summarized at the end of this. Quantum gravity is perhaps the most important open problem in fundamental physics.

It is the problem of merging quantum mechanics and general relativity, the two great conceptual revolutions in the physics of the twentieth century. The loop and spinfoam approach, presented in this book, is one of the leading research programs in the field.

Quantum gravity is among the most fascinating problems in physics. It modifies our understanding of time, space and matter. The recent development of the loop approach has allowed us to explore domains ranging from black hole thermodynamics to the early Universe/5.

In Three Roads to Quantum Gravity, Lee Smolin provides an accessible overview of the attempts to build a final "theory of everything."He explains in simple terms what scientists are talking about when they say the world is made from exotic entities such as loops, strings, and black holes and tells the fascinating stories behind these discoveries: the rivalries, epiphanies, and intrigues he.

Loop quantum gravity makes some definite predictions, which may mean that it could be tested well before string theory can be. As string theory’s popularity is being brought into question, the amount of research into LQG may end up growing. Gravity exists (Duh!) Oddly enough, because LQG was born out of general relativity, one question [ ].This book presents different approaches to a rigorous unified description of quantum fields and gravity.

It contains a carefully selected cross-section of lively discussions which took place in autumn at the fifth conference "Quantum field theory and gravity - Conceptual and mathematical advances in the search for a unified framework" in.Download Citation | Quantum Gravity | This book is concerned with the attempts to unify Einstein's theory of general relativity and quantum theory into a theory of quantum gravity.

| Find, read Author: Claus Kiefer.