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96-03U

96-03U


By icmp_admin - Posted on 08 February 2012

UDC: 
532; 533; 533.9:530.182; 536.75; 536-12.01.
PACS: 
05.60.+w, 05.70.Ln, 05.20.Dd, 52.25.Dg, 52.25.Fi

Investigation of the critical behaviour of $n$-component magnetic model

M.P. Kozlovskii
Z.E. Usatenko

The systematic calculation of the partition function of $n$-component Stanly model is performed using the collective variables representation. In the $\rho ^{4}$ model approximation the explicit expressions for the partical partition functions and general recurcion relations (RR) are obtained.It is show that for all values of $n$ the RR have a saddle-type fixed point. The fixed point coordinates are calculated and their dependence on division parameter and number of order parameter components $n$ are examined. The values of correlation length exponent $\nu $ are found for different values of $n$.

Year: 
1996
Pages: 
32
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