Microkinetics of the first- and second-order phase transitions

被引：0
|
作者：
Stepanov, VA [1 ]
机构：
[1] Inst Phys & Power Engn, SSC RF, Obninsk 249033, Russia
来源：
PHASE TRANSITIONS | 2005年 / 78卷 / 7-8期
关键词：
phase transitions; configuration entropy; microscopic model;
D O I：
10.1080/01411590500197208
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
A model of the phase transition in a lattice of interacting nodes, in which each node is a statistical system with internal structure, is introduced. Configuration entropy of microscopic states of the node is defined as a basic parameter of the model. In the frame of the model the first- and second-order phase transitions are considered in details. The distinction between them on the microscopic level is analyzed. Phase diagrams have been calculated in the mean-field approximation. Changes of the phase diagrams and modifications of phase transitions under external pressure and irradiation are investigated in the frame of the microkinctic approach. Results are referred to real systems.
引用
收藏
页码：607 / 619
页数：13
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