Velocity Relaxation in a Strongly Coupled Plasma

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2012
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American Physical Society
Abstract

Collisional relaxation of Coulomb systems is studied in the strongly coupled regime. We use an optical pump-probe approach to manipulate and monitor the dynamics of ions in an ultracold neutral plasma, which allows direct measurement of relaxation rates in a regime where common Landau-Spitzer theory breaks down. Numerical simulations confirm the experimental results and display non-Markovian dynamics at early times.

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Bannasch, G., Castro, J., McQuillen, P., et al.. "Velocity Relaxation in a Strongly Coupled Plasma." Physical Review Letters, 109, (2012) American Physical Society: 185008. http://dx.doi.org/10.1103/PhysRevLett.109.185008.

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