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Letter

Nature Physics 2, 743–748 (1 November 2006) | doi:10.1038/nphys432

Phonons in a one-dimensional microfluidic crystal

Tsevi Beatus , Tsvi Tlusty & Roy Bar-Ziv

The development of a general theoretical framework for describing the behaviour of a crystal driven far from equilibrium has proved difficult. Microfluidic crystals, formed by the introduction of droplets of immiscible fluid into a liquid-filled channel, provide a convenient means to explore and develop models to describe non-equilibrium dynamics.