双晶前体中的重入相变和同构相变
Reentrant and Isostructural Transitions in a Cluster-Crystal Former
摘要：
通过模拟研究了一个简单团簇晶体形成体系的低温行为。相行为被发现是高斯核和可穿透球模型之间的混合。该系统还表现出一系列的重入结晶和熔融循环，以及不同的占有率的晶体之间的关键同构转变。由于晶格位置的产生和湮灭，该系统进一步显示出不寻常的和有趣的软化后压缩。
英文摘要：
We study the low-temperature behavior of a simple cluster-crystal forming system through simulation. The phase behavior is found to be hybrid between the Gaussian core and penetrable sphere models. The system additionally exhibits a series of reentrant crystallization and melting loops as well as critical isostructural transitions between crystals of different occupancy. Due to the creation and annihilation of lattice sites, the system further shows an unusual and intriguing softening upon compression.
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