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04-03U

04-03U


By icmp_admin - Posted on 08 February 2012

UDC: 
536.75; 538.9; 548:537.621; 538.955-405
PACS: 
05.50.+q, 05.70.Ce, 64.60.Fr, 75.10.Hk

Thermodynamic functions of a one-component model of a magnet at $T>T_c$ in the presence of an external field

M.P. Kozlovskii
I.V. Pylyuk
O.O. Prytula

We evaluate the thermodynamic functions for an Ising-like magnet near the critical point in the presence of an external field. The calculations are performed on the microscopic level in the three-dimensional space. We described the critical behaviour of the system at $T>T_c$ in the cases of both weak and strong fields. The obtained expressions for the free energy, order parameter, susceptibility, entropy and specific heat are the explicit functions of the temperature, field strength and microscopic parameters of the system.

Year: 
2004
Pages: 
32
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