Journal
EUROPEAN PHYSICAL JOURNAL E
Volume 34, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1140/epje/i2011-11101-1
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Funding
- DFG (Deutsche Forschungsgemeinschaft) [SFB TR6, C2]
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We investigate the collective properties of particles in a 2D experimental system which consists of a bi-disperse mixture of colloidal particles confined at an air/water interface. We find a direct correlation between structure and dynamical heterogeneities in this system: particles belonging to locally ordered structures have lower potential energy and are slower than other particles. In a more general way we show that particles with high potential energy are dominating the dynamics especially in the alpha-relaxation regime.
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