the problem of time: quantum mechanics versus general relativity: 2017 edward anderson 9783319588469

THE PROBLEM OF TIME: QUANTUM MECHANICS VERSUS GENERAL RELATIVITY: 2017

 (En papel)

EDWARD ANDERSON

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  • Nº de páginas: 725
  • Encuadernación: Tapa dura
  • Editoral: SPRINGER INTERNATIONAL PUBLISHING
  • Lengua: INGLÉS
  • ISBN: 9783319588469
This book is a treatise on time and on background independence in physics. It first considers how time is conceived of in each accepted paradigm of physics: Newtonian, special relativity, quantum mechanics (QM) and general relativity (GR). Substantial differences are moreover uncovered between what is meant by time in QM and in GR. These differences jointly source the Problem of Time: Nine interlinked facets which arise upon attempting concurrent treatment of the QM and GR paradigms, as is required in particular for a background independent theory of quantum gravity. A sizeable proportion of current quantum gravity programs - e.g. geometrodynamical and loop quantum gravity approaches to quantum GR, quantum cosmology, supergravity and M-theory - are background independent in this sense. This book's foundational topic is thus furthermore of practical relevance in the ongoing development of quantum gravity programs. This book shows moreover that eight of the nine facets of the Problem of Time already occur upon entertaining background independence in classical (rather than quantum) physics.By this development, and interpreting shape theory as modelling background independence, this book further establishes background independence as a field of study. Background independent mechanics, as well as minisuperspace (spatially homogeneous) models of GR and perturbations thereabout are used to illustrate these points.

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