Effect of quenched size polydispersity on the fluid-solid transition in charged colloidal suspensions

Journal of Chemical Physics

Volumn 134, Issue 15, 2011, Pages

  Colombo, Jader ^a,c   Dijkstra, Marjolein ^b  

^a UNIVERSITY OF INSUBRIA   (Italy)

^b UTRECHT UNIVERSITY   (Netherlands)

^c ETH ZURICH   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

CHARGED COLLOIDAL SUSPENSIONS; COEXISTING PHASIS; CRYSTAL PHASE; FLUID-SOLID TRANSITION; FREE-ENERGY CALCULATIONS; FREEZING TRANSITION; MONTE CARLO SIMULATION; PACKING FRACTIONS; POLYDISPERSES; SCREENING LENGTHS; SIZE FRACTIONATION; SIZE POLYDISPERSITY;

COMPUTER SIMULATION; FLUIDS; FREE ENERGY; FREEZING; MONTE CARLO METHODS; POLYDISPERSITY; SURFACE POTENTIAL; SURFACE PROPERTIES; VOLCANIC ROCKS;

SUSPENSIONS (FLUIDS);

EID: 79955414665     PISSN: 00219606     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.3580284     Document Type: Article

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52. For an interesting discussion on the connection between random and polydisperse systems see Ref..
53. The constraint prevents a global translational motion of the crystal, so that the particles do not drift away from the crystal lattice. To implement the constraint in a polydisperse system no information on the mass of the particles is required, since a common effective mass m, which eventually cancels out, can be assigned to each particle
54. More precisely: to compute the equations of state we perform simulations at fixed pressure and average the resulting volumes. In the case of the Einstein integration we average the excess solid free energies.
55. BT at the cutoff.
56. CM should approach 32 as → 1.
57. t.
58. t 0.105.
59. i > n̄, otherwise it is classified as fluid-like.