The Canonical Operator in Many-Particle Problems and Quantum Field Theory

The Canonical Operator in Many-Particle Problems and Quantum Field Theory
Author :
Publisher : Walter de Gruyter GmbH & Co KG
Total Pages : 478
Release :
ISBN-10 : 9783110762709
ISBN-13 : 3110762706
Rating : 4/5 (706 Downloads)

Book Synopsis The Canonical Operator in Many-Particle Problems and Quantum Field Theory by : Victor P. Maslov

Download or read book The Canonical Operator in Many-Particle Problems and Quantum Field Theory written by Victor P. Maslov and published by Walter de Gruyter GmbH & Co KG. This book was released on 2022-06-21 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this monograph we study the problem of construction of asymptotic solutions of equations for functions whose number of arguments tends to infinity as the small parameter tends to zero. Such equations arise in statistical physics and in quantum theory of a large number of fi elds. We consider the problem of renormalization of quantum field theory in the Hamiltonian formalism, which encounters additional difficulties related to the Stückelberg divergences and the Haag theorem. Asymptotic methods for solving pseudodifferential equations with small parameter multiplying the derivatives, as well as the asymptotic methods developed in the present monograph for solving problems in statistical physics and quantum field theory, can be considered from a unified viewpoint if one introduces the notion of abstract canonical operator. The book can be of interest for researchers – specialists in asymptotic methods, statistical physics, and quantum fi eld theory as well as for graduate and undergraduate students of these specialities.


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