Open AccessON THE ABSENCE OF THE PHASE TRANSITION IN A LOW-DIMENSIONAL MAGNETIC SYSTEM WITH MULTI-QUADRATIC EXCHANGE INTERACTIONS
Author(s) -
Ruibao Tao,
FuCho Pu
Publication year - 1980
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.29.658
Subject(s) - quadratic equation , condensed matter physics , phase transition , phase (matter) , physics , statistical physics , quantum mechanics , mathematics , geometry
It is proved rigrously that the long range order for isotropic multi-quadratic Heisenberg model is absent in the 1 and 2-dimensional systems.