Автор |
Alexei K Kolezhuk |
Дата выпуска |
1998-08-03 |
dc.description |
We present the class of models of a nonmagnetic impurity in an S = 1/2 generalized ladder with an Affleck-Kennedy-Lieb-Tasaki-type (AKLT-type) valence-bond ground state, and of an S = 1/2 impurity in the S = 1 AKLT chain. The ground state in the presence of impurity can be found exactly. The recently studied phenomenon of local enhancement of antiferromagnetic correlations around the impurity is absent for this family of models. |
Формат |
application.pdf |
Издатель |
Institute of Physics Publishing |
Название |
Models of impurities in valence-bond spin chains and ladders |
Тип |
paper |
DOI |
10.1088/0953-8984/10/30/017 |
Electronic ISSN |
1361-648X |
Print ISSN |
0953-8984 |
Журнал |
Journal of Physics: Condensed Matter |
Том |
10 |
Первая страница |
6795 |
Последняя страница |
6802 |
Аффилиация |
Alexei K Kolezhuk; Institut für Theoretische Physik, Universität Hannover, Appelstraße 2, D-30167 Hannover, Germany, and Institute of Magnetism, National Academy of Sciences and Ministry of Education of Ukraine, 36(b) Vernadskii Avenue, 252142 Kiev, Ukraine |
Выпуск |
30 |