期刊
PHYSICAL REVIEW LETTERS
卷 106, 期 10, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.105704
关键词
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资金
- NIST [70NANB7H6178]
- National Science Foundation [DMR-0454672]
We measure the dynamical arrest transition in a model, thermoreversible, adhesive hard sphere dispersion. At low volume fractions phi, below the critical point, gelation occurs within the gas-liquid phase boundary. For phi slightly below and above the critical concentration, the phase boundary follows the predicted percolation transition. At high phi, it melds into the predicted attractive-driven glass transition. Our results demonstrate that for phi above similar to 20% physical gelation is an extension of the attractive-driven glass line and occurs without competition for macroscopic phase separation.
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