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Showing 1 to 2 of 2 for “"Sine-Gordon-Modell"”.
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Comparison of exact and numerical results in theXY model
… für die Berechnung der Energieniveaus des sine-Gordon-Modells (im endlichen Volumen) vorgestellt. Die Herleitung der Resultate ist mathematisch nicht ganz rigoros, weshalb eine numerische Überprüfung wünschenswert ist. Simuliert wird das XY-Modell in zwei Dimensionen. Man glaubt, daß es in …
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Aspects of Non-Perturbative Renormalization
The goal of this Thesis is to give a presentation of some key issues regarding the non-perturbative renormalization of the periodic scalar field theories. As an example of the non-perturbative methods, we use the differential renormalization group approach, particularly the Wegner-Houghton and the …