Effective field renormalization group approach for Ising lattice spin systems

1994 ◽  
Vol 131 (1-2) ◽  
pp. 43-53 ◽  
Author(s):  
Ivon P. Fittipaldi
Keyword(s):  
Renormalization Group ◽  
Effective Field ◽  
Spin Systems ◽  
Ising Lattice ◽  
Group Approach ◽  
Lattice Spin ◽  
Lattice Spin Systems ◽  
Renormalization Group Approach ◽  
Field Renormalization

Field-Theory Description of Nonequilibrium Critical Dynamics for Spin Systems

2012 ◽  
Vol 190 ◽  
pp. 23-26
Author(s):  
Ivan A. Kalashnikov ◽  
Pavel V. Prudnikov
Keyword(s):  
Field Theory ◽  
Renormalization Group ◽  
Order Parameter ◽  
Spin Systems ◽  
Critical Dynamics ◽  
Relaxation Dynamics ◽  
Group Approach ◽  
Fixed Dimension ◽  
Renormalization Group Approach ◽  
Short Time

Renormalization-group approach is applied to investigate the short-time nonequilibriumcritical behavior of pure and diluted spin systems with nonmagnetic point-like impurities.The dissipative relaxation dynamics with non-conserved order parameter is considered. For thefirst time the description of the order parameter growth induced by the initial nonequilibriumstate of system is carried out at fixed dimension d = 3 without use of ε-expansion.

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