TY - JOUR
T1 - Nondiffusive Brownian motion of deformable particles: Breakdown of the "long-time tail"
AU - Roldán-Vargas, Sándalo
AU - Peláez-Fernández, Miguel
AU - Barnadas-Rodríguez, Ramon
AU - Quesada-Pérez, Manuel
AU - Estelrich, Joan
AU - Callejas-Fernández, José
PY - 2009/8/18
Y1 - 2009/8/18
N2 - We study the nondiffusive Brownian motion of both rigid and deformable mesoscopic particles by cross-correlated dynamic light scattering with microsecond temporal resolution. Whereas rigid particles show the classical long-time tail prediction, the transition to diffusive motion of deformable particles presents a striking behavior not explained by the existing hydrodynamic treatments. This observation can be interpreted in terms of a damped oscillatory deformational motion on time scales of the order of the Brownian time. Finally, we show that the nondiffusive Brownian motion depends on the specific flexibility of the particles. © 2009 The American Physical Society.
AB - We study the nondiffusive Brownian motion of both rigid and deformable mesoscopic particles by cross-correlated dynamic light scattering with microsecond temporal resolution. Whereas rigid particles show the classical long-time tail prediction, the transition to diffusive motion of deformable particles presents a striking behavior not explained by the existing hydrodynamic treatments. This observation can be interpreted in terms of a damped oscillatory deformational motion on time scales of the order of the Brownian time. Finally, we show that the nondiffusive Brownian motion depends on the specific flexibility of the particles. © 2009 The American Physical Society.
U2 - 10.1103/PhysRevE.80.021403
DO - 10.1103/PhysRevE.80.021403
M3 - Article
VL - 80
SP - 1
EP - 4
JO - Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
JF - Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
SN - 1539-3755
IS - 2
M1 - 021403
ER -