2 papers
cond-mat2000
Extinction transition in bacterial colonies under forced convection
T. Neicu, A. Pradhan, D. A. Larochelle +1
We report the spatio-temporal response of {\it Bacillus subtilis} growing on a nutrient-rich layer of agar to ultra-violet (UV) radiation. Below a crossover temperature, the bacter…
cond-mat.stat-mech1999
Size Segregation of Granular Matter in Silo Discharges
Azadeh Samadani, A. Pradhan, A. Kudrolli
We present an experimental study of segregation of granular matter in a quasi-two dimensional silo emptying out of an orifice. Size separation is observed when multi-sized particle…