Interacting N-vector order parameters with O(N) symmetry

• Published in: Condensed Matter Physics
• Date: 2005
• Main Authors: Pelissetto, A., Vicari, E.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 2005
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/119386
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Interacting N-vector order parameters with O(N) symmetry / A. Pelissetto, E. Vicari // Condensed Matter Physics. — 2005. — Т. 8, № 1(41). — С. 87–101. — Бібліогр.: 28 назв. — англ.

We consider the critical behavior of the most general system of two Nvector
 order parameters that is O(N) invariant. We show that it may have
 a multicritical transition with enlarged symmetry controlled by the chiral
 O(2) ⊗ O(N) fixed point. For N = 2, 3, 4, if the system...