S N Taraskin et al 2007 J. Phys.: Condens. Matter 19 455216 doi:10.1088/0953-8984/19/45/455216
S N Taraskin1,2, S I Simdyankin2 and S R Elliott2
Show affiliationsIt is demonstrated that the width of the uncorrelated atomic charge distribution can be extracted from the frequency dependence of the coupling coefficient for far-infrared absorption measured experimentally by a time-domain terahertz spectroscopy technique. This value for As2S3 glass is found to be 0.12 (e). A density functional theory-based tight-binding molecular dynamics model of As2S3 glass qualitatively supports these findings.
61.43.Bn Structural modeling: serial-addition models, computer simulation
Issue 45 (14 November 2007)
Received 18 August 2007
Published 24 October 2007
S N Taraskin et al 2007 J. Phys.: Condens. Matter 19 455216
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