Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds

• Published in: Condensed Matter Physics
• Date: 2009
• Main Author: Sirker, J.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 2009
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/120021
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds / J. Sirker // Condensed Matter Physics. — 2009. — Т. 12, № 3. — С. 449-462. — Бібліогр.: 40 назв. — англ.

To allow for a comparison of theoretical predictions for spin chains with experimental data, it is often important
 to take impurity effects as well as interchain couplings into account. Here we present the field theory for finite
 spin chains at finite temperature and calculate expe...