Effective Temperatures of a Driven System Near Jamming

by: Ian K Ono, Corey S O’hern, DJ Durian, Stephen A Langer, Andrea J Liu, Sidney R Nagel

Physical Review Letters, Vol. 89, No. 9. (2002), 095703.

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Abstract

Fluctuations in a model of a sheared; zero-temperature foam are studied numerically. Five different quantities that independently reduce to the true temperature in an equilibrium thermal system are calculated. One of the quantities is calculated up to an unknown coefficient. The other four quantities have the same value and all five have the same shear-rate dependence. These results imply that statistical mechanics is useful for the system even though it is far from thermal equilibrium.

@article{citeulike:1685967, abstract = {Fluctuations in a model of a sheared; zero-temperature foam are studied numerically. Five different quantities that independently reduce to the true temperature in an equilibrium thermal system are calculated. One of the quantities is calculated up to an unknown coefficient. The other four quantities have the same value and all five have the same shear-rate dependence. These results imply that statistical mechanics is useful for the system even though it is far from thermal equilibrium.}, author = {Ono, Ian K. and O’hern, Corey S. and Durian, D. J. and Langer, Stephen A. and Liu, Andrea J. and Nagel, Sidney R. }, citeulike-article-id = {1685967}, doi = {10.1103/PhysRevLett.89.095703}, journal = {Physical Review Letters}, keywords = {jamming, nagel, review, temperature}, number = {9}, pages = {095703+}, posted-at = {2008-03-24 21:58:13}, priority = {2}, publisher = {American Physical Society}, title = {Effective Temperatures of a Driven System Near Jamming}, url = {http://dx.doi.org/10.1103/PhysRevLett.89.095703}, volume = {89}, year = {2002} }

RIS record

TY - JOUR ID - citeulike:1685967 L3 - citeulike-article-id:1685967 TI - Effective Temperatures of a Driven System Near Jamming JF - Physical Review Letters VL - 89 IS - 9 SP - 095703 PB - American Physical Society N2 - Fluctuations in a model of a sheared; zero-temperature foam are studied numerically. Five different quantities that independently reduce to the true temperature in an equilibrium thermal system are calculated. One of the quantities is calculated up to an unknown coefficient. The other four quantities have the same value and all five have the same shear-rate dependence. These results imply that statistical mechanics is useful for the system even though it is far from thermal equilibrium. KW - jamming KW - nagel KW - review KW - temperature AU - Ono, Ian AU - O’hern, Corey AU - Durian, DJ AU - Langer, Stephen AU - Liu, Andrea AU - Nagel, Sidney PY - 2002/// UR - http://dx.doi.org/10.1103/PhysRevLett.89.095703 ER -

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