Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2004-10-15
Europhys. Lett., Vol. 70, Pg. 635 (2005)
Physics
Condensed Matter
Disordered Systems and Neural Networks
10 pages revtex 4 figures
Scientific paper
10.1209/epl/i2005-10025-3
Several recent imaging experiments access the equilibrium density profiles of interacting particles confined to a two-dimensional substrate. When these particles are in a fluid phase, we show that such data yields precise information regarding substrate disorder as reflected in one-point functions and two-point correlations of the fluid. Using Monte Carlo simulations and replica generalizations of liquid state theories, we extract unusual two-point correlations of time-averaged density inhomogeneities induced by disorder. Distribution functions such as these have not hitherto been measured but should be experimentally accessible.
Menon Gautam I.
Sengupta Ankush
Sengupta Surajit
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