Commensurate-incommensurate phase transitions for multichain quantum spin models: exact results

• Published in: Физика низких температур
• Date: 2000
• Main Author: Zvyagin, A.A.
• Format: Article
• Language: English
• Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2000
• Subjects: Низкоразмерные и неупорядоченные системы
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/128995
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Commensurate-incommensurate phase transitions for multichain quantum spin models: exact results / A.A. Zvyagin // Физика низких температур. — 2000. — Т. 26, № 2. — С. 181-196. — Бібліогр.: 49 назв. — англ.

The behavior in an external magnetic field is studied exactly for a wide class of multichain quantum spin models. It is shown that the magnetic field together with the interchain couplings cause commensurate-incommensurate phase transitions between the gapless phases in the ground state. The conform...