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    Localized low-frequency vibrational modes in glasses

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    LairdB_PRB_1991(44)6746.pdf (605.6Kb)
    Issue Date
    1991-10-01
    Author
    Schober, H. R.
    Laird, Brian Bostian
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    Using a larger data set and more detailed analysis, we continue our examination of the zero-temperature vibrational spectrum of a glass of soft spheres by computer simulation. As in our previous study [Phys. Rev. Lett. 66, 636 (1991)], a normal-mode analysis shows clearly the existence of (quasi-)localized modes at the low-frequency end of the vibrational spectrum. The modes are found to be localized around atoms whose neighborhood structure differs significantly from the average glass environment and is reminiscent of that associated with interstitial defects in crystals. The effective masses of these modes range upward from 10 atomic masses.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prb/abstract/10.1103/PhysRevB.44.6746.
    URI
    http://hdl.handle.net/1808/16160
    DOI
    https://doi.org/10.1103/PhysRevB.44.6746
    ISSN
    1098-0123
    Collections
    • Chemistry Scholarly Works [610]
    Citation
    Schober, H. R.; Laird, Brian Bostian. "Localized low-frequency vibrational modes in glasses." Physical Review B, 44:6746. http://dx.doi.org/10.1103/PhysRevB.44.6746

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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