Book
Lectures on Deformation Quantisation : From Moyal Product to Kontsevich's Formality Theorem
ISBN : 9789811297809
Author : Georgy Igorevich Sharygin
Publisher : World Scientific
Year : 2025
Language : English
Type : Book
Description : Principles of classical Hamiltonian mechanics say that the evolution of a dynamical system is determined by the Poisson bracket of observable functions with the given Hamiltonian function of the system. In Quantum Mechanics, these principles are modified so that the algebra of observable functions should be replaced by a noncommutative algebra of operators and the Poisson bracket by their commutator so that the canonical commutation relations hold. Thus, working with quantum systems, we must determine the 'quantisation' of our observables, i.e. to choose a noncommutative algebra whose elements would play the role of the observables. With some modifications, this question is the main content of the Deformation Quantisation problem formulated in 1978 by Flato and others.
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