Inequivalent Representations of Canonical Commutation and Anti-Commutation Relations

Beschreibung

Canonical commutation relations (CCR) and canonical anti-commutation relations (CAR) are basic principles in quantum physics including both quantum mechanics with finite degrees of freedom and quantum field theory. From a structural viewpoint, quantum physics can be primarily understood as Hilbert space representations of CCR or CAR. There are many interesting physical phenomena which can be more clearly understood from a representation–theoretical viewpoint with CCR or CAR. This book provides an introduction to representation theories of CCR and CAR in view of quantum physics. Particular emphases are put on the importance of inequivalent representations of CCR or CAR, which may be related to characteristic physical phenomena. The topics presented include general theories of representations of CCR and CAR with finite and infinite degrees of freedom, the Aharonov–Bohm effect, time operators, quantum field theories based on Fock spaces, Bogoliubov transformations, and relations of infinite renormalizations with inequivalent representations of CCR. This book can be used as a text for an advanced topics course in mathematical physics or mathematics.
Canonical commutation relations (CCR) and canonical anti-commutation relations (CAR) are basic principles in quantum physics including both quantum mechanics with finite degrees of freedom and quantum field theory. From a structural viewpoint, quantum physics can be primarily understood as Hilbert space representations of CCR or CAR. There are many interesting physical phenomena which can be more clearly understood from a representation–theoretical viewpoint with CCR or CAR. This book provides an introduction to representation theories of CCR and CAR in view of quantum physics. Particular emphases are put on the importance of inequivalent representations of CCR or CAR, which may be related to characteristic physical phenomena. The topics presented include general theories of representations of CCR and CAR with finite and infinite degrees of freedom, the Aharonov–Bohm effect, time operators, quantum field theories based on Fock spaces, Bogoliubov transformations, and relations of infinite renormalizations with inequivalent representations of CCR. This book can be used as a text for an advanced topics course in mathematical physics or mathematics.
Presents a unified viewpoint for quantum physics, both in quantum mechanics and quantum field theory Clarifies physical meanings of inequivalent representations of CCR or CAR Gives representation–theoretical analyses to infinite renormalizations in some quantum field models Includes representation–theoretical characterizations for fundamental quantities such as masses and charges Contains mathematical descriptions in detail throughout the main text

Autor*in

Asao Arai

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canonical commutation relations canonical anti-commutation relations time operator quantum field representation Bogoliubov transformation Aharonov--Bohm effect Casimir effect mass thermo-field

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“The monograph under review gives a perspective on the various realizations of the canonical commutation/anti-commutation relations with finitely or infinitely many degrees of freedom. This is a welcome addition to the literature in this research area, which emphasizes the applications to quantum physics.” (Daniel Beltiţă, Mathematical Reviews, October, 2022)

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