Resummation and Renormalization in Effective Theories of Particle Physics

Idioma: inglés

Editorial: Springer International Publishing Nov 2015, 2015

3319226193 / 9783319226194

Serie: Libro 134 de 241 - Lecture Notes in Physics

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Librería: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, AlemaniaBuchWeltWeit Ludwig Meier e.K.

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This item is printed on demand - it takes 3-4 days longer - Neuware -Effective models of strong and electroweak interactions are extensively applied in particle physics phenomenology, and in many instances can compete with large-scale numerical simulations of Standard Model physics. These contexts include but are not limited to providing indications for phase transitions and the nature of elementary excitations of strong and electroweak matter. A precondition for obtaining high-precision predictions is the application of some advanced functional techniques to the effective models, where the sensitivity of the results to the accurate choice of the input parameters is under control and the insensitivity to the actual choice of ultraviolet regulators is ensured. The credibility of such attempts ultimately requires a clean renormalization procedure and an error estimation due to a necessary truncation in the resummation procedure. In this concise primer we discuss systematically and in sufficient technical depth the features of a number of approximate methods, as applied to various effective models of chiral symmetry breaking in strong interactions and the BEH-mechanism of symmetry breaking in the electroweak theory. After introducing the basics of the functional integral formulation of quantum field theories and the derivation of different variants of the equations which determine the n-point functions, the text elaborates on the formulation of the optimized perturbation theory and the large-N expansion, as applied to the solution of these underlying equations in vacuum. The optimisation aspects of the 2PI approximation is discussed. Each of them is presented as a specific reorganisation of the weak coupling perturbation theory. The dimensional reduction of high temperature field theories is discussed from the same viewpoint. The renormalization program is described for each approach in detail and particular attention is paid to the appropriate interpretation of the notion of renormalization in the presence of the Landau singularity. Finally, results which emerge from the application of these techniques to the thermodynamics of strong and electroweak interactions are reviewed in detail. 236 pp. Englisch.…

N° de ref. del artículo 9783319226194

Título
Resummation and Renormalization in Effective Theories of Particle Physics
Autor
András Patkós
Editorial
Springer International Publishing Nov 2015
Año de publicación
2015
Estado
Neu
Encuadernación
Taschenbuch
Idioma
inglés
ISBN 10
3319226193
ISBN 13
9783319226194
Peso del artículo
365 gramos
Dimensiones
235x155x13 mm
Serie
Libro 134 de 241: Lecture Notes in Physics

BuchWeltWeit Ludwig Meier e.K.

Bergisch Gladbach, Alemania

Vendedor de 5 estrellas

Vendedor de IberLibro desde 11 de enero de 2012

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BuchWeltWeit Ludwig Meier e.K.

Alemania

BuchWeltWeit Inh. Ludwig Meier e.K.
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