ISBN-10:
1402062826
ISBN-13:
9781402062827
Pub. Date:
09/26/2007
Publisher:
Springer Netherlands
Deformed Spacetime: Geometrizing Interactions in Four and Five Dimensions / Edition 1

Deformed Spacetime: Geometrizing Interactions in Four and Five Dimensions / Edition 1

by Fabio Cardone, Roberto MignaniFabio Cardone

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Overview

This volume provides a detailed discussion of the mathematical aspects and the physical applications of a new geometrical structure of space-time, based on a generalization ("deformation") of the usual Minkowski space, as supposed to be endowed with a metric whose coefficients depend on the energy.

Such a formalism (Deformed Special Relativity, DSR) allows one


  • to account for breakdown of local Lorentz invariance in the usual, special-relativistic meaning (however, Lorentz invariance is recovered in a generalized sense)

  • to provide an effective geometrical description of the four fundamental interactions (electromagnetic, weak, strong and gravitational)

Moreover, the four-dimensional energy-dependent space-time is just a manifestation of a larger, five-dimensional space in which energy plays the role of a fifth (non-compactified) dimension. This new five-dimensional scheme (Deformed Relativity in Five Dimensions, DR5) represents a true generalization of the usual Kaluza-Klein (KK) formalism.

The mathematical properties of such a generalized KK scheme are illustrated. They include the solutions of the five-dimensional Einstein equations in vacuum in most cases of physical relevance, the infinitesimal symmetries of the theory for the phenomenological metrics of the four interactions, and the study of the five-dimensional geodesics.

The mathematical results concerning the geometry of the deformed five-dimensional spacetime (like its Killing symmetries) can be applied also to other multidimensional theories with infinite extra dimensions. Some experiments providing preliminary evidence for the hypothesized deformation of space-time for all the four fundamental interactions are discussed.

Product Details

ISBN-13: 9781402062827
Publisher: Springer Netherlands
Publication date: 09/26/2007
Series: Fundamental Theories of Physics , #157
Edition description: 2007
Pages: 506
Product dimensions: 6.10(w) x 9.30(h) x 1.00(d)

Table of Contents

Part I: Physics of Deformed Space-Time

Part II: Mathematics of Deformed Space-Time

Part III: Experimental Arguments for Deformed Space-Time

Part IV: Deformed Space-Time in Five Dimensions: Geometry

Part V: Deformed Space-Time in Five Dimensions: Dynamics

Appendix A: Reductivity of the Ү-Hypothesis for the 12 Classes of the vacuum Einstein Equations in the Power Ansatz.

Appendix B: Gravitational Killing Symmetries for Special Forms of b12(x5)
and b22(x5)

Appendix C: Explicit and Implicit Forms of geodesics for the 12 Classes of Solutions of Einstein’s Equations in Vacuum in the Power Ansatz.

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