# Robert P. Behringer

## James B. Duke Professor of Physics

### Overview

Dr. Behringer's research interests include granular materials: friction, earthquakes, jamming; nonlinear dynamics; and fluids: Rayleigh-Benard convection, the flow of thin liquid films, porous media flow, and quantum fluids. His studies focus particularly on experiments (with some theory/simulation) that yield new insights into the dynamics and complex behavior of these systems. His experiments involve a number of highly novel approaches, including the use of photoelasticity for probing granular systems, innovative experiments to characterize the stability of surface flows and properties of gels, and magnetic resonance imaging to study flows in porous media.

Behringer, RP, Herrmann, HJ, and Luding, S. "Granular Matter: Editorial." *Granular Matter* 10.5 (2008): 351--.
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Wambaugh, JF, Behringer, RP, Matthews, JV, and Gremaud, PA. "Response to perturbations for granular flow in a hopper." *Phys Rev E Stat Nonlin Soft Matter Phys* 76.5 Pt 1 (November 2007): 051303-.
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Daniels, KE, Mukhopadhyay, S, Houseworth, PJ, and Behringer, RP. "Instabilities in droplets spreading on gels." *Phys Rev Lett* 99.12 (September 21, 2007): 124501-.
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Majmudar, TS, Sperl, M, Luding, S, and Behringer, RP. "Jamming transition in granular systems." *Phys Rev Lett* 98.5 (February 2, 2007): 058001-.
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Dutt, M, and Behringer, RP. "Effects of surface friction on a two-dimensional granular system: numerical model of a granular collider experiment." *Phys Rev E Stat Nonlin Soft Matter Phys* 75.2 Pt 1 (February 2007): 021305-.
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Zhang, J, Behringer, RP, and Oron, A. "Maragoni convection in binary mixtures." *Phys. Rev. E* 76 (2007): 106307-. (Academic Article)

Kondic, L, O'Hern, C, and Behringer, RP. "Dense Granular Systems: From Theory to Applications." *SIAM News* 40 (2007): 13-15. (Academic Article)

Behringer, RP, Wilkinson, A, and Metzger, PT. "Grenular Matter: Editorial." *Granular Matter* 9.5 (2007): 293-294.
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Zhang, J, Behringer, RP, and Oron, A. "Marangoni convection in binary mixtures." *Physical Review E - Statistical, Nonlinear, and Soft Matter Physics* 76.1 (2007).
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Daniels, KE, and Behringer, RP. "Characterization of a freezing/melting transition in a vibrated and sheared granular medium." *Journal of Statistical Mechanics: Theory and Experiment* 7 (2006).
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