Exact theory of dense amorphous hard spheres in high dimension. III. the full replica symmetry breaking solution

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2014-10-01

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© 2014 IOP Publishing Ltd. In the first part of this paper, we derive the general replica equations that describe infinite-dimensional hard spheres at any level of replica symmetry breaking (RSB) and in particular in the fullRSB scheme. We show that these equations are formally very similar to the ones that have been derived for spin glass models, thus showing that the analogy between spin glasses and structural glasses conjectured by Kirkpatrick, Thirumalai and Wolynes is realized in a strong sense in the mean-field limit. We also suggest how the computation could be generalized in an approximate way to finite-dimensional hard spheres. In the second part of the paper, we discuss the solution of these equations and we derive from it a number of physical predictions. We show that, below the Gardner transition where the 1RSB solution becomes unstable, a fullRSB phase exists and we locate the boundary of the fullRSB phase. Most importantly, we show that the fullRSB solution predicts correctly that jammed packings are isostatic, and allows one to compute analytically the critical exponents associated with the jamming transition, which are missed by the 1RSB solution. We show that these predictions compare very well with numerical results.

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10.1088/1742-5468/2014/10/P10009

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Charbonneau, P, J Kurchan, G Parisi, P Urbani and F Zamponi (2014). Exact theory of dense amorphous hard spheres in high dimension. III. the full replica symmetry breaking solution. Journal of Statistical Mechanics: Theory and Experiment, 2014(10). 10.1088/1742-5468/2014/10/P10009 Retrieved from https://hdl.handle.net/10161/15342.

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Charbonneau

Patrick Charbonneau

Professor of Chemistry

Professor Charbonneau studies soft matter. His work combines theory and simulation to understand the glass problem, protein crystallization, microphase formation, and colloidal assembly in external fields.


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