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JAMMED MATTER

Granular matter. A colloidal glass. Compressed emulsions systems. Statistical Mechanics of Particulate Systems far from Equilibrium Hern á n Makse, City College of New York, CAREER DMR-0239504.

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JAMMED MATTER

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  1. Granular matter A colloidal glass Compressedemulsions systems Statistical Mechanics of Particulate Systems far from EquilibriumHernán Makse, City College of New York, CAREER DMR-0239504 Simulations and theory are being used to investigate the statistical mechanics of jammed particulate matter. A slow shear flow is a applied to a jammed system of grains. Mobility and diffusivity measurements yield an effective temperature which is indeed very close to that obtained using a statistical ensemble of jammed configurations. JAMMED MATTER

  2. Statistical Mechanics of Particulate Systems far from EquilibriumHernán Makse, City College of New York, CAREER DMR-0239504 The network formed by the jammed configurations and their transition states is a “small-world” network with a scale-invariant topology. Each node in the network is a jammed state. The nodes are linked if there is transition state between them. The network has the same topological properties as other complex networks such as WWW, Internet, protein-protein interaction networks, and sociological networks. First-order saddle Transition state Jammed configuration Jammed configuration

  3. Statistical Mechanics of Particulate Systems far from EquilibriumHernán Makse, City College of New York, CAREER DMR-0239504 Education • Students: two graduate students and four undergraduate students. • International collaborations: one exchange student from Fortaleza, Brazil, and one from ENS, France. International collaborations with Prof. Shlomo Havlin (Israel), Dr. Jorge Kurchan, (Paris) and Prof. Sam Edwards (UK). • Attraction and retention of minority students: 3 undergraduate minority students working in the lab from Physics, Chemical and Mechanical Engineering reflecting the interdisciplinary nature of our work. • Dissemination to a broader audience: Why does this sandstone from Petra have stripes? See details at: http://www.seed.slb.com/en/scictr/watch/stratifi/index.htm • Translation of the web content to spanish “Porque algunas areniscas presentan franjas?” At: http://www.seed.slb.com/es/index.htm • Curriculum development: New graduate course: Granular Matter. Students are introduced to research earlier in their careers: a student project comparing experiments and simulation of sandpiles has been recently published in J. Stat. Phys. 3, 1-8 (2004).

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