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High-frequency elastic moduli of two-dimensional Yukawa fluids and solids

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arxiv 1803.05295 v1 pith:DS5RRYHF submitted 2018-03-14 physics.plasm-ph cond-mat.softcond-mat.stat-mech

classification physics.plasm-phcond-mat.softcond-mat.stat-mech
keywords elasticfluidshigh-frequencymodulipresentedresultssolidssound
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An approach to calculate high-frequency bulk and shear modului of two-dimensional (2D) weakly screened Yukawa fluids and solids is presented. Elastic moduli are directly related to sound velocities and other important characteristics of the system. In this article we discuss these relations and present exemplary calculation of the longitudinal, transverse, and instantaneous sound velocities and derive a differential equation for the Einstein frequency. Simple analytical results presented demonstrate good accuracy when compared with numerical calculations. The obtained results can be particularly useful in the context of 2D colloidal and complex (dusty) plasma monolayers.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Constraining shear modulus of polycrystalline neutron star crust: Hashin-Shtrikman variational approach

    astro-ph.HE 2025-07 accept novelty 6.0 of 10

    Hashin-Shtrikman variational bounds show that the effective shear modulus of a polycrystalline neutron star crust is lower than the commonly assumed Voigt value, with narrower upper and lower limits.

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