Search for dissertations about: "boson stars"

Found 2 swedish dissertations containing the words boson stars.

2. 1. Non-Perturbative Quantum Field Theory in Extreme Environments

   Author : Per Liljenberg; Chalmers tekniska högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; pair production; Bose-Einstein condensation; functional representation; Schwinger model; external field; boson stars; temperature; magnetisation;

   Abstract : The aim of this thesis is to describe some physical systems which can be treated by non-perturbative methods in quantum field theory. In the thesis we study systems described by quadratic Hamiltonians, possibly extended with an external electromagnetic field and/or with a thermal heat bath. READ MORE

4. 2. QED with external fields : vacuum effects and thermodynamics

   Author : Per Liljenberg; Chalmers tekniska högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; density; QED; vacuum magnetization; unstable vacuum; finite temperature; external field; boson stars; relativistic Bose gas;

   Abstract : .... READ MORE