非平衡相变与平衡相变的临界相似关系及其统一性(英文)  

Critical Similar Relations and Unity Between Nonequilibrium PhaseTransition and Equilibrium One

作　　者：戴陵江[1] 蔡绍洪[1] 

机构地区：[1]贵州大学物理系,贵阳550025

出　　处：《贵州师范大学学报（自然科学版）》1999年第4期74-81,共8页Journal of Guizhou Normal University：Natural Sciences

摘　　要：在ＮＰＣ规格化模型的基础上，充分注意了平衡相变与非平衡相变两类临界现象间的主要差异和相似之处，从参考态、势函数、相关函数、临界可标度性、临界指数、标度律、临界普适性等方面考察了这两类临界观象的相互关系．结果表明，平衡相变临界观象（ＥＰＣ） 可看作是非平衡相变临界现（ＮＰＣ） 的一种特殊情况，平衡相变的临界标度律是非平衡相变临界标度律关系族中的一组关系式，即ＮＰＣ标度律具有更大的普适范围，这说明ＥＰＣ与ＮＰＣ 在临界标度性方面可由统一的理论来描述，在一定的条件下两者可统一起来．The topic is based on the NPC standardized model.It is fully noted that there are main differences and major similarities between equilibrium phase transition critical phenomena (EPC) and nonequilibrium phase transition critical phnomena (NPC) The correlations between the EPC and the NPC are investigated in terms of the reference state,the potintial functions,the correlation functions,the critical scalingablity critical exponents,the scaling laws,the critcal universality and so on.It is shown that the critical phenomena in equilibrium phase transitions are the special ones in noneguilibrium phase transitions.EPC scaling lawes a group of formulas of the function family of NPC scaling laws then it is known that NPC scaling laws has bigger universal range.And it is revealed that EPC and NPC can be described by the same theory in critical scaling properties,the result of discussion and proof shows that EPC phenomena and NPC ones can be united ,on certain conditions.

关 键 词：非平衡相变 平衡相变 临界现象 标度律 临界统一 

分 类 号：O414.21[理学—理论物理]