Please use this identifier to cite or link to this item: https://www.um.edu.mt/library/oar/handle/123456789/77983
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dc.date.accessioned2021-07-05T09:45:54Z-
dc.date.available2021-07-05T09:45:54Z-
dc.date.issued2005-
dc.identifier.citationDebono, I. (2005). Comparison between gauge theory gravity and general relativity (Master’s dissertation).en_GB
dc.identifier.urihttps://www.um.edu.mt/library/oar/handle/123456789/77983-
dc.descriptionM.SCen_GB
dc.description.abstractA new theory of gravitation (Gauge Theory Gravity) was recently developed. This is constructed in fiat background spacetime and uses gauge fields to ensure that all relations between physical quantities are variant with respect to position and orientation of the matter fields. The theory starts from a different set of axioms but it is locally equivalent to General Relativity if spin effects are ignored. In this work I develop the linearized theory of gravity, including gravitational waves, using Gauge Theory Gravity. I also review the theory, examining its physical consequences and discussing its validity as a theory of gravitation. Starting with a review of the development of theories of gravity leading up to Gauge Theory Gravity, including alternative theories to General Relativity, I discuss the requirements for a valid physical theory. The fundamental concepts of gauge theory are also discussed. Gauge theory gravity is then presented, starting with an exposition of the formalism of geometric algebra, with a derivation of the field equations. The concept of a gauge theory is then discussed using electromagnetism as an example, in both its Classical and Quantum formulation. The fundamental differences between the gauge theories for gravitation and electromagnetism are studied. A derivation of the linearized theory of gravity based on gauge principles is then presented, comparing the geometric algebra and tensor formalisms. The results obtained for gravitational waves are found to agree with the General Relativistic derivation. Finally, I investigate the extent to which we can distinguish between General Relativity and Gauge Theory Gravity, and discuss the physical and cosmological parameters which could be used for such a purpose.en_GB
dc.language.isoenen_GB
dc.rightsinfo:eu-repo/semantics/restrictedAccessen_GB
dc.subjectGauge fields (Physics)en_GB
dc.subjectGravityen_GB
dc.subjectGeneral relativity (Physics)en_GB
dc.titleComparison between gauge theory gravity and general relativityen_GB
dc.typemasterThesisen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
dc.publisher.institutionUniversity of Maltaen_GB
dc.publisher.departmentFaculty of Scienceen_GB
dc.description.reviewedN/Aen_GB
dc.contributor.creatorDebono, Ivan (2005)-
Appears in Collections:Dissertations - FacSci - 1965-2014

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