Fluctuation-Induced First-Order Phase Transition in an Anisotropic Planar Model of N2 on Graphite
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Fluctuation-Induced First-Order Phase Transition in an Anisotropic Planar Model of N2 on Graphite. / Mouritsen, O. G.; Berlinsky, A. J.
I: Physical Review Letters, Bind 48, Nr. 3, 1982, s. 181-184.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Fluctuation-Induced First-Order Phase Transition in an Anisotropic Planar Model of N2 on Graphite
AU - Mouritsen, O. G.
AU - Berlinsky, A. J.
PY - 1982
Y1 - 1982
N2 - Monte Carlo simulations are used to show that the orientational ordering transition of planar quadrupoles on a triangular lattice is first order. The orientational ground state is a herringbone structure, and the transition lies in the universality class of a (n=3, d=2) Heisenberg model with face-oriented cubic anisotropy. The Monte Carlo results are related to recent low-energy electron-diffraction studies of N2 on graphite. Domainwall motion and the applicability of this model to herringbone phases of liquid crystals are also discussed.
AB - Monte Carlo simulations are used to show that the orientational ordering transition of planar quadrupoles on a triangular lattice is first order. The orientational ground state is a herringbone structure, and the transition lies in the universality class of a (n=3, d=2) Heisenberg model with face-oriented cubic anisotropy. The Monte Carlo results are related to recent low-energy electron-diffraction studies of N2 on graphite. Domainwall motion and the applicability of this model to herringbone phases of liquid crystals are also discussed.
U2 - 10.1103/PhysRevLett.48.181
DO - 10.1103/PhysRevLett.48.181
M3 - Journal article
AN - SCOPUS:0001753614
VL - 48
SP - 181
EP - 184
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 3
ER -
ID: 238392909