It is generally believed that the structure of spacetime as a
classical manifold will cease to exist at distances of the order of
the Planck length. A theory of gravitation on a noncommutative
spacetime could be compatible with quantum mechanics and capture
the expected nonlocality of physics at very small distances, while
reproducing Einstein's general relativity at long distances. We
consider gravitation as a gauge theory of the Poincare symmetry and
aim at generalizing this point of view to noncommutative
spacetimes. The important role of the Poincare symmetry in
relativistic physics is reviewed. The formulation of quantum field
and gauge theories on noncommutative spacetime is presented,
emphasizing the recently discovered twisted Poincare symmetry of
these theories. Some formulations of gravitation on noncommutative
spacetimes proposed in the literature are also discussed. Finally,
we study the possibility to formulate the twisted Poincare symmetry
as a gauge symmetry of gravitational theory on a noncommutative
spacetime. This book is intended for researchers and students who
are interested in gravitation and elementary particle physics.
General
| Imprint: |
Lap Lambert Academic Publishing
|
| Country of origin: |
Germany |
| Release date: |
August 2009 |
| First published: |
August 2009 |
| Authors: |
Markku Oksanen
|
| Dimensions: |
229 x 152 x 7mm (L x W x T) |
| Format: |
Paperback - Trade
|
| Pages: |
108 |
| ISBN-13: |
978-3-8383-0600-1 |
| Categories: |
Books >
Science & Mathematics >
Physics >
General
|
| LSN: |
3-8383-0600-7 |
| Barcode: |
9783838306001 |
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