ScienceAsia 14 (1988): 061-066 |doi: 10.2306/scienceasia1513-1874.1988.14.061

THE :COS : INTERACTING SYSTEM ON A LATTICE: THE CLASSICAL SOLUTIONS

CHAI HOK EAB^a and RANGSAN CHALERMSRI^b

ABSTRACT: We present the most probable uniform configurations of the :cos : interacting system on a lattice in d-dimension, where d 4. We point out that several global and local minima can appear depending on the value of the parameters J, , , m², d. For J = 0, = = 1, we have calculated numerically the critical mass square. We show graphically the dependence of the amplitude of the solution on the variation of mass square.

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a Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10500, THAILAND
b Department of Physics, Faculty of Science, Prince of Songkla University, Haadyai 90112, THAILAND

Received 9 December 1987