Издательство: | Книга по требованию |
Дата выхода: | июль 2011 |
ISBN: | 978-6-1340-1902-6 |
Объём: | 88 страниц |
Масса: | 153 г |
Размеры(В x Ш x Т), см: | 23 x 16 x 1 |
High Quality Content by WIKIPEDIA articles! In physics, the Bethe ansatz is a method for finding the exact solutions of certain one-dimensional quantum many-body models. It was invented by Hans Bethe in 1931 to find the exact eigenvalues and eigenvectors of the one-dimensional antiferromagnetic Heisenberg model Hamiltonian. Since then the method has been extended to other models in one dimension: Bose gas, Hubbard model, etc. In the framework of many-body quantum mechanics, models solvable by the Bethe ansatz can be compared to free fermion models.
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