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Study of collective motion in liquid alkali metals

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Abstract

Study of collective motion in the liquid alkali metals is provided through the current article. Phonon dispersion curves for liquid alkali metals are presented using a second order approach in conjunction with the Hubbard–Beeby (HB) equation. Both longitudinal and transverse components of the collective motion are obtained through the present model. A classical approximation approach of the pseudopotential is used to describe the core interaction of the electronic configuration. Screening as well as exchange and correlation effect are determined by local field correction functions given by Hartree (H), Ichimaru–Utsumi (IU) and Sarkar et al (S). Related parameters and constants are reported in line with the current computation to make the study comprehensive.

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Acknowledgements

AMV has acknowledged the computer facility developed under the DST-FIST programme from DST, Government of India, New Delhi, India and financial assistance under DRS-SAP-I from UGC, New Delhi, India.

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Authors and Affiliations

  1. Department of Applied Science and Humanities, Government Engineering College, (G.T.U.), Valsad, 396001, India

    Rajesh C Malan

  2. Department of Physics, University School of Sciences, Gujarat University, Ahmedabad, 380009, India

    Aditya M Vora

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  1. Rajesh C Malan
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  2. Aditya M Vora
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Correspondence to Rajesh C Malan.

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Malan, R.C., Vora, A.M. Study of collective motion in liquid alkali metals. Bull Mater Sci 42, 139 (2019). https://doi.org/10.1007/s12034-019-1836-y

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