斜波系统二维格子气模型的Phase diagram
Phase diagram of a two-dimensional lattice gas model of a ramp system
摘要：
利用蒙特卡罗模拟和基本测度理论研究了具有最近邻硬核排斥和次近邻有限排斥相互作用的二维格子气模型的相图。该模型提出了两个相互作用的竞争范围，并与许多实验系统一样，表现出低密度的固相，在压缩时熔融回流体相。理论方法被发现提供了一个定性正确的图片我们的模型系统的相图。
英文摘要：
Using Monte Carlo Simulation and fundamental measure theory we study the phase diagram of a two-dimensional lattice gas model with a nearest neighbor hard core exclusion and a next-to-nearest neighbors finite repulsive interaction. The model presents two competing ranges of interaction and, in common with many experimental systems, exhibits a low density solid phase, which melts back to the fluid phase upon compression. The theoretical approach is found to provide a qualitatively correct picture of the phase diagram of our model system.
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