Browsing Fizik by Subject "Riemannian manifolds."

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Bose-Einstein condensation on a Reimannian manifolds with nonnegative Ricci curvature

Tapramaz, Ferzan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)

In this thesis, the properties of the Bose-Einstein condensation in at spaces are reviewed. Three dimensional weakly interacting Bose systems are examined by using the Bogoliubov approximation. The heat kernel of the ...
Exact renormalization group on point interactions

Eröncel, Cem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)

The goal of this thesis is to present a non-perturbative renormalization of point interactions in non-relativistic quantum mechanics using Exact Renormalization Group (ERG) techniques. The analyzed model is a particle ...
Relativistic LEE model on 2+1 dimensional riemannian manifolds

Ünel, Meltem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)

In this work, we analyze a two-level system coupled to an arbitrary number of bosons with a relativistic dispersion relation in a static background metric while ignoring pair creation processes. One can obtain a non-perturbative ...

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