Phys. Rev. Lett. 86, 3423–3426 (2001)Reverse Brazil Nut Problem: Competition between Percolation and CondensationReceived 30 October 2000; published in the issue dated 9 April 2001 In the Brazil nut problem (BNP), hard spheres with larger diameters rise to the top. There are various explanations (percolation, reorganization, convection), but a broad understanding or control of this effect is by no means achieved. A theory is presented for the crossover from BNP to the reverse Brazil nut problem based on a competition between the percolation effect and the condensation of hard spheres. The crossover condition is determined, and theoretical predictions are compared to molecular dynamics simulations in two and three dimensions. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.3423
DOI:
10.1103/PhysRevLett.86.3423
PACS:
64.70.Dv, 05.20.Dd, 51.10.+y
See AlsoComment: G. A. Canul-Chay, P. A. Belmont, Y. Nahmad-Molinari, and J. C. Ruiz-Suárez, Does the Reverse Brazil Nut Problem Exist?, Phys. Rev. Lett. 89, 189601 (2002). Comment: H. Walliser, Comment on “Reverse Brazil Nut Problem: Competition between Percolation and Condensation”, Phys. Rev. Lett. 89, 189603 (2002). Reply: Paul V. Quinn, Daniel C. Hong, and Stefan Luding, Quinn, Hong, and Luding Reply:, Phys. Rev. Lett. 89, 189602 (2002). Reply: Paul V. Quinn, Daniel C. Hong, and Stefan Luding, Quinn, Hong, and Luding Reply:, Phys. Rev. Lett. 89, 189604 (2002). |
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