J. V. Narlikar, T. Padmanabhan

Gravity, Gauge Theories and Quantum Cosmology

• Gebundenes Buch

Produktbeschreibung

For several decades since its inception, Einstein's general theory of relativity stood somewhat aloof from the rest of physics. Paradoxically, the attributes which normally boost a physical theory - namely, its perfection as a theoreti cal framework and the extraordinary intellectual achievement underlying i- prevented the general theory from being assimilated in the mainstream of physics. It was as if theoreticians hesitated to tamper with something that is manifestly so beautiful. Happily, two developments in the 1970s have narrowed the gap. In 1974 Stephen Hawking arrived at the remarkable result that black holes radiate after all. And in the second half of the decade, particle physicists discovered that the only scenario for applying their grand unified theories was offered by the very early phase in the history of the Big Bang universe. In both cases, it was necessary to discuss the ideas of quantum field theory in the background of curved spacetime that is basic to general relativity. This is, however, only half the total story. If gravity is to be brought into the general fold of theoretical physics we have to know how to quantize it. To date this has proved a formidable task although most physicists would agree that, as in the case of grand unified theories, quantum gravity will have applications to cosmology, in the very early stages of the Big Bang universe. In fact, the present picture of the Big Bang universe necessarily forces us to think of quantum cosmology.

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Produktdetails

• Fundamental Theories of Physics 11
• Verlag: Springer / Springer Netherlands
• Artikelnr. des Verlages: 978-90-277-1948-5
• 1986
• Seitenzahl: 488
• Erscheinungstermin: 31. Juli 1986
• Englisch
• Abmessung: 241mm x 160mm x 31mm
• Gewicht: 888g
• ISBN-13: 9789027719485
• ISBN-10: 9027719489
• Artikelnr.: 21031712

Inhaltsangabe

1 / Introduction.- 1.1. Historical Background.- 1.2. What This Book is About.- I Quantum Theory.- 2 / Path Integrals.- 3 / En Route to Quantum Field Theory.- 4 / Quantum Field Theory.- 5 / Gauge Fields.- II Classical General Relativity.- 6 / General Theory of Relativity.- 7 / Gravitating Massive Objects.- 8 / Relativistic Cosmology.- III Quantization in Curved Spacetime.- 9 / Quantum Theory in Curved Spacetime.- 10 / The Very Early Universe.- IV Quantum Cosmology.- 11 / Approaches to Quantum Cosmology.- 12 / Quantum Conformal Fluctuations.- 13 / Towards a More Complete Theory.- 14 / Epilogue.- V Appendices.- Appendix A/Renormalization.- Appendix B/Basic Group Theory.- B.1. Definition of a Group.- B.2. Generators.- B.3. Representations.- Appendix C/Differential Geometry.- C.1. Basic Concepts.- C.2. Vectors and 1-Forms.- C.3. Lie Derivative and Covariant Derivative.- C.4. Curvature and Metric.- Appendix D/Spacetime Symmetries.- D.1. Displacement of Spacetime.- D.2. Killing Vectors.- D.3. Homogeneity.- D.4. Isotropy.