English | 2022 | ISBN: 9811254257 | 399 pages | True PDF EPUB | 50.85 MB
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 SystemsAlgebraic Bethe AnsatzQuantum Inverse ProblemComposite ModelScalar Products of Off-Shell Bethe VectorsScalar Products with On-Shell Bethe VectorsAlternative Methods to Compute Scalar ProductsForm Factors of the Monodromy Matrix ElementsForm Factors of Local OperatorsThermodynamic LimitMultiple Integral Representations for Correlation FunctionsAsymptotics of Correlation Functions via Form Factor ExpansionAppendices:
- The ψ-Function and the Barnes G -FunctionFinite-Size Corrections to the Excitation EnergyIdentities for Fredholm DeterminantsIntegrals with Vandermonde Determinant
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