Quantum phase transition: Van Vleck antiferromagnet in a magnetic field

• Published in: Condensed Matter Physics
• Date: 2008
• Main Authors: Ivanova, I.M., Kalita, V.M., Pashkov, V.O., Loktev, V.M.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 2008
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/119337
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Quantum phase transition: Van Vleck antiferromagnet in a magnetic field / I.M. Ivanova, V.M. Kalita, V.O. Pashkov, V.M. Loktev // Condensed Matter Physics. — 2008. — Т. 11, № 3(55). — С. 509-522. — Бібліогр.: 42 назв. — англ.

Theoretical description of magnetic properties of antiferromagnetic state, induced by the longitudinal magnetic eld, in the Van Vleck singlet magnet with single-ion anisotropy of easy-plane type and ion spin S = 1 is proposed. It is shown that the quantum phase transition to the antiferroma...