Slow Dynamics in a Quasi-Two-Dimensional Binary Complex Plasma

CR Du and V Nosenko and HM Thomas and YF Lin and GE Morfill and AV Ivlev, PHYSICAL REVIEW LETTERS, 123, 185002 (2019).

DOI: 10.1103/PhysRevLett.123.185002

Slow dynamics in an amorphous quasi-two-dimensional complex plasma, comprised of microparticles of two different sizes, was studied experimentally. The motion of individual particles was observed using video microscopy, and the self-part of the intermediate scattering function as well as the mean-squared particle displacement was calculated. The long-time structural relaxation reveals the characteristic behavior near the glass transition. Our results suggest that binary complex plasmas can be an excellent model system to study slow dynamics in classical supercooled fluids.

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