Algebraic Bethe Ansatz and Correlation Functions An Advanced Course

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It is unlikely that today there is a specialist in theoretical physics who has not heard anything about the algebraic Bethe ansatz. Over the past few years, this method has been actively used in quantum statistical physics models, condensed matter physics, gauge field theories, and string theory. This book presents the state-of-the-art research in the field of algebraic Bethe ansatz. Along with the results that have already become classic, the book also contains the results obtained in recent years. The reader will get acquainted with the solution of the spectral problem and more complex problems that are solved using this method. Various methods for calculating scalar products and form factors are described in detail. Special attention is paid to applying the algebraic Bethe ansatz to the calculation of the correlation functions of quantum integrable models. The book also elaborates on multiple integral representations for correlation functions and examples of calculating the long-distance asymptotics of correlations. This text is intended for advanced undergraduate and postgraduate students, and specialists interested in the mathematical methods of studying physical systems that allow them to obtain exact results. Contents: Quantum Integrable Systems Algebraic Bethe Ansatz Quantum Inverse Problem Composite Model Scalar Products of Off-Shell Bethe Vectors Scalar Products with On-Shell Bethe Vectors Alternative Methods to Compute Scalar Products Form Factors of the Monodromy Matrix Elements Form Factors of Local Operators Thermodynamic Limit Multiple Integral Representations for Correlation Functions Asymptotics of Correlation Functions via Form Factor Expansion Appendices: The ψ-Function and the Barnes G-Function Finite-Size Corrections to the Excitation Energy Identities for Fredholm Determinants Integrals with Vandermonde Determinant Readership: Advanced undergraduate and graduate students, researchers in mathematical physics and theoretical physics. Key Features: The book presents the most recent results obtained in the field of the algebraic Bethe ansatz It describes in a pedagogical fashion applying this method to calculate correlation functions that can be measured experimentally It discusses specific examples of calculating correlation functions and their asymptotic behavior 画面が切り替わりますので、しばらくお待ち下さい。
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