Matthias Schröter et al 2007 EPL 78 44004 doi:10.1209/0295-5075/78/44004
Phase transition in a static granular system
Matthias Schröter1, Sibylle Nägle1, Charles Radin2 and Harry L. Swinney1
Show affiliationsWe find that a column of glass beads exhibits a well-defined transition between two phases that differ in their resistance to shear. Pulses of fluidization are used to prepare static sedimented states with well-defined particle volume fractions 
in the range 0.57–0.63. The resistance to shear is determined by slowly inserting a rod into the column of beads. Force measurements and bed height measurements both indicate that the transition occurs at = 0.60 for a range of speeds of the rod.
- PACS
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- Dates
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Issue 4 (May 2007)
Received 3 February 2007, in final form 11 April 2007
Published 10 May 2007
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Phase transition in a static granular system
Matthias Schröter et al 2007 EPL 78 44004
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