The physical property of electron - phonon interaction systems is one of the fundamental problems in condensed matter theory . its development and perfection will profit the solving of some important problems in the areas of condensed matter physics , materials physics , protein molecular dynamics as well as other related subjects . so the study of the nonlinear lattice effects in electron - phonon interaction systems has been received extensive attention of many researches in the past years 电子-声子耦合系统的物理特性是凝聚态理论中的一个基本问题，它的发展和完善可能为凝聚态物理与材料物理领域及蛋白质分子生物学等交叉学科领域中一些重要问题的解决带来一定的启示甚至突破性的进展，因而近几年来电子-声子耦合系统中晶格非线性效应的研究受到人们的广泛关注。
Magneto - electronics lies in the area of current scientific interest in condensed matter physics and material sciences , due to abundant physical conceptions and applied potentials . it is a base of magnetic devices with high density and sensitivity . recently , non - volatile magnetic computer memory ( mram ) is expected to have a large economic impact , and has been significantly focused on its experimenatal research 目前，非挥发性磁存储记忆器件?磁存储器magneticrandomaccessmemory ( mram )的研究和开发已成为自旋电子学研究的主要应用目标；而在室温和低磁场下，具有足够大的磁电阻( mr )效应成为实现mram器件应用的前提。
Quantum spin systerm in low dimensions has been one of the most attractive field in condensed matter physics for many decades . not only because of many meaningful properties of such systerms , but also in the field the existence of simplified models , which serve as paradigms for understanding and studying the role of strong interactions in many - electron systems 近年来，低维量子自旋系统一直是凝聚态物理学中最活跃的研究领域之一，不仅因为它自身的一些特殊性质，而且因为其中存在着许多简化模型，能够作为理解研究强关联多电子系统的范例。
Clusters are the aggregates of a few to thousands atoms or molecules or ions their properties are neither like those for individual atoms nor the corresponding bulk and therefore clusters are named " the fifth state of the matter " . during the development of cluster science , many concepts and methods have been introduced from nuclear physics , condense matter physics and quantum chemistry , cluster science has became an new interdisciplinary field between atomic - molecular physics and condensed matter physics 团簇( clusters )是由2 104个原子、分子或离子通过物理或化学结合力组成的相对稳定的微观和亚微观聚集体，它的空间尺度在几a至几百a范围内，被人们看作是介于原子分子和宏观固体之间物质结构的新层次，并称之为物质的“第五态” 。
Because of the extensive applications of condensed matter in various fields , the investigations on the equation of state of compressed solids are not only necessary in many basic sciences and interdisciplinary areas , e . g . geophysics , planetary science , astrophysics , physics of condensed matter , atomic and molecular physics , thermodynamics , statistical physics , material science etc . , but also of important utilized values in the explosive mechanics , energy engineering , aviation technicality and so on applied sciences 由于固体材料在实际生活、生产中具有的广泛应用性，这就决定了对固体材料物态方程的研究不仅在热力学、统计物理学、凝聚态物理、原子与分子物理、地球物理、天体物理、化学物理等基础学科中是不可缺少的，而且在材料科学、能源工程、爆炸力学、武器物理、宇航技术等应用学科中也具有重要的应用价值。
Zhao jiamin ( condensed matter physics ) directed by prof . wang lijun the organic electroluminescence ( el ) device with microcavity ( moled ) can take on some new characteristics , such as narrowed spectrum , intensity enhancement , sharply directed emission in space , due to the microcavity effects compared with the common device without cavity ( oled ) 将微腔引入有机电致发光器件中，由于微腔效应的存在，可以获得多种不同于普通发光器件的发光特性，象谱线窄化，强度增强，发光方向性增强等。
