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- Quantum_inverse_scattering_method abstract "The quantum inverse scattering method relates two different approaches:1) The Bethe ansatz , a method of solving integrable quantum models in one space and one time dimension;2) the Inverse scattering transform, a method of solving classical integrable differential equations of the evolutionary type.An important concept in the Inverse scattering transform is the Lax representation; the quantum inverse scattering method starts by the quantization of Lax representation and reproduces the results of the Bethe ansatz.In fact it allows the Bethe ansatz to be written in a new form: the algebraic Bethe ansatz. This led to further progress in the understanding of quantum Integrable systems for example: a) the Heisenberg model (quantum),b) the quantum Nonlinear Schrödinger equation (also known as the Lieb-Liniger Model or the Tonks–Girardeau gas) and c) the Hubbard model. The theory of correlation functions was developed: determinant representations, descriptions by differential equations and the Riemann-Hilbert problem. Asymptotics of correlation functions (even for space, time and temperature dependence) were evaluated in 1991. Explicit expressions for the higher conservation laws of the integrable models were obtained in 1989. In mathematics the quantum inverse scattering method led to the formulation of quantum groups. Especially interesting is the Yangian and the center of the Yangian is given by the quantum determinant. Essential progress was achieved in study of ice-type models: the bulk free energy of the six vertex model depends on boundary conditions even in the thermodynamic limit.In mathematics, the quantum inverse scattering method is a method for solving integrable models in 1+1 dimensions introduced by L. D. Faddeev in about 1979.".
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- Quantum_inverse_scattering_method subject Category:Exactly_solvable_models.
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- Quantum_inverse_scattering_method comment "The quantum inverse scattering method relates two different approaches:1) The Bethe ansatz , a method of solving integrable quantum models in one space and one time dimension;2) the Inverse scattering transform, a method of solving classical integrable differential equations of the evolutionary type.An important concept in the Inverse scattering transform is the Lax representation; the quantum inverse scattering method starts by the quantization of Lax representation and reproduces the results of the Bethe ansatz.In fact it allows the Bethe ansatz to be written in a new form: the algebraic Bethe ansatz. ".
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