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Title: Supersymmetric factorizable scattering and reflection matrices
Author: Mavrikis, E.
Awarding Body: University of Wales Swansea
Current Institution: Swansea University
Date of Award: 2000
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Physical processes in massive relativistic Quantum Field Theory (QFT) are described by a relativistic scattering theory, which in turn is completely determined by its S-matrix, containing all the on-shell data for the corresponding QFT. Such a non-perturbative approach is fundamental to physics but extremely difficult in practice, especially in the case of realistic four-dimensional theories. It is possible, though, to construct exact S-Matrices for certain two dimensional (1+1) QFT's. The essential feature that enables such an approach to a QFT to work is its integrability. In this case all S-Matrix elements factorize as products of the two-body elements. Hence, knowledge of the two-body elements is sufficient to determine the entire S-Matrix. The aim of our research has been to investigate, complete and extend previous works concerning supersymmetric factorizable scattering. The main concept elaborated in this thesis is the fusion between the massive excitations of the spectrum, expressed via the bootstrap equation. The fusion procedure has been extremely useful for understanding and appreciating the already known N = 1 and 2 S-matrix blocks, while its applications have led us to the calculation of new S-matrices for bound states in bulk and boundary theories.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available