Two dimensional quantum gravity (8 résultats)
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Taschenbuch. Etat : Neu. Observables and Dynamics in Quantum Gravity | A Two Dimensional Discrete Theory | Poya Haghnegahdar | Taschenbuch | 164 S. | Englisch | 2010 | LAP LAMBERT Academic Publishing | EAN 9783838327808 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[do…t]de | Anbieter: preigu.
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Vendeur : Revaluation Books, Exeter, Royaume-UniRevaluation Books
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Etat : Sehr gut. Zustand: Sehr gut | Seiten: 256 | Sprache: Englisch | Produktart: Bücher | In the past few years there has been much study of random two dimensional surfaces. These provide simple models of string theories with a few degrees of freedom, as well as toy models of quantum gravity. They have possible applications to… the statistical mechanics of phase boundaries and to the development of an effective string description of QCD.Recently, methods have been developed to treat these theories nonperturbatively, based on discrete triangulations of the surfaces that can be generated by simple matrix models. Exact solutions with a rich mathematical structure have emerged. All these matters are discussed fully in this book.
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Etat : Sehr gut. Zustand: Sehr gut | Seiten: 256 | Sprache: Englisch | Produktart: Bücher | In the past few years there has been much study of random two dimensional surfaces. These provide simple models of string theories with a few degrees of freedom, as well as toy models of quantum gravity. They have possible applications to… the statistical mechanics of phase boundaries and to the development of an effective string description of QCD.Recently, methods have been developed to treat these theories nonperturbatively, based on discrete triangulations of the surfaces that can be generated by simple matrix models. Exact solutions with a rich mathematical structure have emerged. All these matters are discussed fully in this book.
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Vendeur : Mispah books, Redhill, SURRE, Royaume-UniMispah books
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paperback. Etat : Very Good. Very Good. Dust Jacket may NOT BE INCLUDED.CDs may be missing. SHIPS FROM MULTIPLE LOCATIONS. book.
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Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Merging the concepts of quantum mechanics and those of general relativity presents us with one of the most interesting and fundamental contradictions in physics; how should we define time In quantum mechanics time is a non-dynamical external… parameter. In general relativity, time is one of the four dynamical variables of spacetime. How can we put these two different concepts together What is the proper definition for a quantum relativistic time This question has been occupying many theoretical physicist for the past eighty years, and despite many advances, and a number of possible candidates for a correct theory of quantum gravity, no unified answer has yet been reached. In this book, we explore this question in detail. We present two of the main candidates which attempt to address it, namely Loop Quantum Gravity and String Theory. We do this in the very simple yet effective context of a two dimensional spacetime or worldsheet. Through this work, the reader can become familiar with the elementary concepts of these theories of quantum gravity, and should see that despite their progress we are yet quite far from any satisfactory answer as to what time is.
