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Renormalization Group and Pade Applications to Quantum Field Theory

Name: Renormalization Group and Pade Applications to Quantum Field Theory
Brand: VDM Verlag
SKU: 9783639177794
Price: 298.81 PLN
Availability: InStock

Perturbative and non-Perturbative Regions

Autor: Farrukh Chishtie

Język:

Oprawa: Miękka

Wydawca: VDM Verlag

Dostępność: Dostępna u dostawcy

Wysyłamy za 14-21 dni

298.81 zł

Pade approximants (PA) have been widely applied in practically all areas of physics. This work focus...

Informacje o książce

Autor

Farrukh Chishtie

Język

Angielski

Oprawa

Książka - Miękka

Data wydania

2009

strony

172

EAN

9783639177794

ISBN

3639177797

Enbook ID

06826041

Wydawca

VDM Verlag

Waga

288

Wymiary

156 x 227 x 10

Pełny opis

Pade approximants (PA) have been widely applied in practically all areas of physics. This work focuses on developing PA as tools for both perturbative and non-perturbative Quantum Field Theory (QFT). In perturbative QFT, a systematic estimation of higher (unknown) loop terms via asymptotic Pade approximation procedure (APAP) is established and enhanced by application to renormalization-group-(RG-)invariant quantities. This methodology is applied to hadronic Higgs decay rates (both within the Standard Model and its MSSM extension), Higgs-sector cross-sections, inclusive semileptonic decays, QCD (Quantum Chromodynamics) correlation functions and the QCD static potential. APAP is also applied directly to RG functions in massive phi-4 theory. In non-perturbative QFT Pade summation methods are employed to probe the large coupling regions of QCD. In analysing all the possible Pade-approximants to truncated Beta-function for QCD, the singularity structure corresponding to the all-orders Beta-function is analyzed. Noting the consistent ordering of poles and roots for such approximants, these are found free of defective (pole) behaviour and physical conclusions are then drawn.

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Renormalization Group and Pade Applications to Quantum Field Theory

Perturbative and non-Perturbative Regions

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