1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Nonlinear active micro-rheology in a glass-forming soft-sphere mixture
Rent:
Rent this article for
USD
10.1063/1.4770335
/content/aip/journal/jcp/138/12/10.1063/1.4770335
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/12/10.1063/1.4770335
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Pair correlation functions around a pulled A particle at T = 0.14 for different forces f and at equilibrium (dashed lines). The solid lines in the plots correspond to the forces f = 2.5, 6.0, 8.0, 10.0, and 20.0 (from top to bottom). Note that the latter curves are shifted with respect to the equilibrium curves by multiples of −0.5 on the ordinate. g AA(x) in (a) and g AB(x) in (b) are the pair correlation functions in force direction, g AA(r) in (c) and g AB(r) in (d) those perpendicular to the force.

Image of FIG. 2.
FIG. 2.

The same as Fig. 1 , but now for a pulled B particle. g BA(x) in (a) and g BB(x) in (b) are the pair correlation functions in force direction, g BA(r) in (c) and g BB(r) in (d) those perpendicular to the force.

Image of FIG. 3.
FIG. 3.

Time dependence of displacement Δx of a pulled A particle for the forces f = 0.5. 1.0, 1.5, 2.0, 2.5, and 5.0 (from right to left) at temperature T = 0.14. Solid lines correspond to the transient state from switch-on of the force at t = 0 to the steady-state at long times. Dashed lines correspond to the steady state where Δx displays a linear time dependence.

Image of FIG. 4.
FIG. 4.

(a) Steady state velocity of the pulled A particle as a function of f for different temperatures T, as indicated. The bold dashed line is a linear fit to the data for T = 1.0. (b) Peclet number Pe* as a function of (see text).

Image of FIG. 5.
FIG. 5.

(a) Mean-squared displacement ⟨Δx 2(t)⟩ − ⟨Δx(t)⟩2 for pulled A particle at T = 0.14. The curves correspond to the forces f = 0.0, 0.5, 1.0, 1.5, 2.5, 4.0, 6.0, and 10.0 (from right to left). (b) Effective exponents α as a function of f for different temperatures, as indicated.

Image of FIG. 6.
FIG. 6.

Mean-squared displacement ⟨Δx 2(t)⟩ − ⟨Δx(t)⟩2 for pulled A particle at T = 0.14 and f = 2.0 for different thermostats (see text). The inset shows the corresponding mean-squared displacement displacements divided by t.

Image of FIG. 7.
FIG. 7.

(a) Typical trajectories, x(t), of pulled A particles at T = 0.14 and f = 1.0. (b) Typical trajectories, x(t), of pulled A particles at f = 1.0 and different temperatures, as indicated.

Image of FIG. 8.
FIG. 8.

van Hove correlation function of pulled A particle at T = 0.14 for the indicated times, (a) f = 1.0, (b) f = 2.5.

Image of FIG. 9.
FIG. 9.

Dependence of self-diffusion constant on inverse temperature for pulled A particles for the forces f = 0.0 (equilibrium), 0.5, 1.0, 1.5, 2.0, 2.5, and 5.0. The insets show the same data, but now using the scaled effective temperatures T eff(f) instead of T.

Image of FIG. 10.
FIG. 10.

Time dependence of the incoherent scattering functions, F s(q, t) in perpendicular direction for A particles at f = 1.0 and q = 6.0 for the temperatures T = 0.14, 0.15, 0.16, 0.17, 0.18, 0.21, 0.25, 0.30, and 0.34 (from right to left).

Image of FIG. 11.
FIG. 11.

Dependence of (a) α relaxation time and (b) friction coefficient on inverse temperature for pulled A particles for the same forces as in Fig. 9 . The insets show the data as function of the effective temperatures T eff(f).

Image of FIG. 12.
FIG. 12.

T eff/T − 1 as function of f, as obtained from the scaling of the self-diffusion constant D orth and the friction coefficient ξ. Results for A and B particles are shown, as indicated. The dotted and dashed lines are fits with T eff/T − 1 = C × f 2 yielding the fit parameters C = 0.0326 and C = 0.0181 for D orth and C = 0.0266 and C = 0.0134 for ξ of A and B particles, respectively.

Loading

Article metrics loading...

/content/aip/journal/jcp/138/12/10.1063/1.4770335
2013-01-03
2014-04-21
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nonlinear active micro-rheology in a glass-forming soft-sphere mixture
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/12/10.1063/1.4770335
10.1063/1.4770335
SEARCH_EXPAND_ITEM