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Towards Quantum Gravity :  Proceedings of the XXXV International Winter School on Theoretical Physics, Held in Polanica, Poland, 2-11 February 19 - Jerzy Kowalski-Glikman

Towards Quantum Gravity

Proceedings of the XXXV International Winter School on Theoretical Physics, Held in Polanica, Poland, 2-11 February 19

By: Jerzy Kowalski-Glikman (Editor)

Hardcover Published: March 2000
ISBN: 9783540669104
Number Of Pages: 376

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The aim of this book is to give graduate students an overview of quantum gravity but it also covers related topics from astrophysics. Some well-written contributions can serve as an introduction into basic conceptual concepts like time in quantum gravity or the emergence of a classical world from quantum cosmology. This makes the volume attractive to philosophers of science, too. Other topics are black holes, gravitational waves & non-commutative extensions of physical theories.

Are We at the Dawn of Quantum-Gravity Phenomenology?p. 1
Introductionp. 1
First the Conclusions: What Has This Phenomenology Achieved?p. 3
Addendum to Conclusions: Any Hints to Theorists f rom Experiments?p. 6
Interf erometry and Fuzzy Space-Timep. 8
Gamma-Ray Bursts and In-vacuo Dispersionp. 15
Other Quantum-Gravity Experimentsp. 20
Classical-Space-Time-Induced Quantum Phases in Matter Interf erometryp. 24
Estimates ofSpace-Time Fuzziness rom Measurability Boundsp. 25
Relations with Other Quantum Gravity Approachesp. 36
Quantum Gravity, No Strings Attachedp. 39
Conservative Motivation and Other Closing Remarksp. 44
Classical and Quantum Physics of Isolated Horizons: A Brief Overviewp. 50
Motivationp. 50
Key Issuesp. 52
Summaryp. 55
Discussionp. 65
Old and New Processes of Vorton Formationp. 71
Anti-de Sitter Supersymmetryp. 79
Introductionp. 79
Supersymmetry and Anti-de Sitter Spacep. 80
Anti-de Sitter Supersymmetry and Masslike Termsp. 83
The Quadratic Casimir Operatorp. 85
Unitary Representations of the Anti-de Sitter Algebrap. 87
The Oscillator Constructionp. 92
The Superalgebra OSp(1 4)p. 95
Conclusionsp. 98
Referencesp. 99
Combinatorial Dynamics and Time in Quantum Gravityp. 101
Introductionp. 101
Combinatorial Descriptions of Quantum Spacetimep. 104
The Problem ofthe Classical Limit and its Relationship to Critical Phenomenap. 108
Is There Quantum Directed Percolation?p. 111
Discrete Superspace and its Structurep. 112
Some Simple Modelsp. 114
The Classical Limit of the Frozen Modelsp. 115
Dynamics Including the Parametersp. 116
A New Approach to the Problem of Timep. 117
Non-commutative Extensions of Classical Theories in Physicsp. 130
Def ormations of Space-Time and Phase Space Geometriesp. 130
Why the Coordinates Should not Commute at Planck's Scalep. 133
Non-commutative Differential Geometryp. 134
Non-commutative Analog of Kaluza-Klein and Gauge Theoriesp. 137
Minkowskian Space-Time as a Commutative Limitp. 142
Quantum Spaces and Quantum Groupsp. 149
Conclusionp. 155
Referencesp. 155
Conceptual Issues in Quantum Cosmologyp. 158
Introductionp. 158
Lessons f rom Quantum Theoryp. 159
Quantum Cosmologyp. 167
Emergence of a Classical Worldp. 176
Acknowledgementsp. 184
Referencesp. 185
Single-Exterior Black Holesp. 188
Introductionp. 188
Kruskal Manifold and the MP3 Geonp. 189
Vacua on Kruskal and on the RP3 Geonp. 192
Entropy ofthe RP3 Geon?p. 194
AdS3, the Spinless Nonextremal BTZ Hole, and the RP2 Geonp. 195
Vacua on the Conformal Boundariesp. 198
Holography and String Theoryp. 200
Concluding Remarksp. 201
Referencesp. 201
Dirac-Bergmann Observables for Tetrad Gravityp. 203
Meaning of Noncommutative Geometry and the Planck-Scale Quantum Groupp. 227
Introductionp. 227
The Meaning of Noncommutative Geometryp. 231
Fourier Theoryp. 242
Bicrossproduct Model of Planck-Scale Physicsp. 251
Def ormed Quantum Enveloping Algebrasp. 260
Noncommutative Differential Geometry and Riemannian Manif oldsp. 268
Referencesp. 274
Loop Quantum Gravity and the Meaning of Diffeomorphism Invariancep. 277
Introductionp. 277
Basic Formalism of Loop Quantum Gravityp. 281
Quantization of the Areap. 300
The Physical Contents ofQuantum Gravity and the Meaning of Diffeomorphism Invariancep. 303
Dynamics, True Observables and Spin Foamsp. 311
Open Problems and Future Perspectivesp. 322
Black Holes in String Theoryp. 325
Introductionp. 325
String Theory and Dualitiesp. 329
Brane Solutionsp. 335
Black Holes in String Theoryp. 341
Gravitational waves and massless particle fieldsp. 365
Planar Gravitational Wavesp. 365
Einstein-Scalar Wavesp. 368
Einstein-Dirac Wavesp. 370
Einstein-Maxwell Wavesp. 372
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9783540669104
ISBN-10: 3540669108
Series: Lecture Notes in Physics
Audience: General
Format: Hardcover
Language: English
Number Of Pages: 376
Published: March 2000
Country of Publication: DE
Dimensions (cm): 23.39 x 15.6  x 2.24
Weight (kg): 0.72

Earn 317 Qantas Points
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