Reentrant and isostructural transitions in a cluster-crystal former.
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2010-12-10
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We study the low-temperature behavior of a simple cluster-crystal forming system through simulation. We find the phase diagram to be hybrid between the Gaussian core model and the penetrable sphere model. The system additionally exhibits S-shaped doubly reentrant phase sequences as well as critical isostructural transitions between crystals of different average lattice site occupancy. Because of the possible annihilation of lattice sites and accompanying clustering, the system moreover shows an unusual softening upon compression.
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Zhang, Kai, Patrick Charbonneau and Bianca M Mladek (2010). Reentrant and isostructural transitions in a cluster-crystal former. Phys Rev Lett, 105(24). p. 245701. 10.1103/PhysRevLett.105.245701 Retrieved from https://hdl.handle.net/10161/12597.
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Patrick Charbonneau
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