The fermion - boson map at imaginary chemical potential in odd dimensions
Abstract
The aim of this thesis was the thermodynamic study of a fermionic and a bosonic model of charged particles at finite temperature and imaginary chemical potential, using a large N approximation method. For specific values of the chemical potential, we found statistical transmutations in which the free energy function has one or more extrema. Initially we presented the construction of the phase states of the models in three dimensions with the help of appropriate special functions and we noted possible relationships of our results with parts of the hyperbolic geometry related to the three-dimensional gravity. We also showed accurate duality relationships between the models and then we studied their possible applications in crystallography as well as an extension of calculations to higher odd dimensions for a small area of the phase diagram. We have found that the generalization of our theory in higher dimensions is possible as corresponding properties with lower dimensional physics appea ...
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