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Books > Science & Mathematics > Physics > Quantum physics (quantum mechanics)
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Quantum Gravity (Hardcover, 3rd Revised edition)
Loot Price: R3,726
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Quantum Gravity (Hardcover, 3rd Revised edition)
Series: International Series of Monographs on Physics, 155
Expected to ship within 12 - 17 working days
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The search for a quantum theory of the gravitational field is one
of the great open problems in theoretical physics. This book
presents a self-contained discussion of the concepts, methods and
applications that can be expected in such a theory. The two main
approaches to its construction - the direct quantisation of
Einstein's general theory of relativity and string theory - are
covered. Whereas the first attempts to construct a viable theory
for the gravitational field alone, string theory assumes that a
quantum theory of gravity will be achieved only through a
unification of all the interactions. However, both employ the
general method of quantization of constrained systems, which is
described together with illustrative examples relevant for quantum
gravity. There is a detailed presentation of the main approaches
employed in quantum general relativity: path-integral quantization,
the background-field method and canonical quantum gravity in the
metric, connection and loop formulations. The discussion of string
theory centres around its quantum-gravitational aspects and the
comparison with quantum general relativity. Physical applications
discussed at length include the quantization of black holes,
quantum cosmology, the indications of a discrete structure of
spacetime, and the origin of irreversibility. This third edition
contains new chapters or sections on quantum gravity phenomenology,
Horava-Lifshitz quantum gravity, analogue gravity, the holographic
principle, and affine quantum gravity. It will present updates on
loop quantum cosmology, the LTB model, asymptotic safety, and
various discrete approaches. The third edition also contains
pedagogical extensions throughout the text. This book will be of
interest to researchers and students working in relativity and
gravitation, cosmology, quantum field theory and related topics. It
will also be of interest to mathematicians and philosophers of
science.
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