Frustration-induced internal stresses are responsible for quasilocalized modes in structural glasses

Physical Review. E
Edan Lerner, Eran Bouchbinder

Abstract

It has been recently shown [E. Lerner, G. Düring, and E. Bouchbinder, Phys. Rev. Lett. 117, 035501 (2016)PRLTAO0031-900710.1103/PhysRevLett.117.035501] that the nonphononic vibrational modes of structural glasses at low frequencies ω are quasilocalized and follow a universal density of states D(ω)∼ω^{4}. Here we show that the gapless nature of the observed density of states depends on the existence of internal stresses that generically emerge in glasses due to frustration, thus elucidating a basic element underlying this universal behavior. Similarly to jammed particulate packings, low-frequency modes in structural glasses emerge from a balance between a local elasticity term and an internal stress term in the dynamical matrix, where the difference between them is orders of magnitude smaller than their typical magnitude. By artificially reducing the magnitude of internal stresses in a computer glass former in three dimensions, we show that a gap is formed in the density of states below which no vibrational modes exist, thus demonstrating the crucial importance of internal stresses. Finally, we show that while better annealing the glass upon cooling from the liquid state significantly reduces its internal stresses, the self-orga...Continue Reading

References

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Jul 30, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·L HongA P Sokolov
Jun 7, 2014·Soft Matter·Edan LernerMatthieu Wyart
Nov 13, 2015·Proceedings of the National Academy of Sciences of the United States of America·Silvio FranzFrancesco Zamponi
Jul 15, 2016·Physical Review. E·Hideyuki MizunoLeonardo E Silbert
Jul 30, 2016·Physical Review Letters·Edan LernerEran Bouchbinder
Jun 29, 2017·Proceedings of the National Academy of Sciences of the United States of America·Jacques ZylbergEran Bouchbinder
Nov 1, 2017·Proceedings of the National Academy of Sciences of the United States of America·Hideyuki MizunoAtsushi Ikeda
Dec 9, 2017·Physical Review Letters·Ludovic BerthierFrancesco Zamponi

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Citations

Sep 16, 2019·The Journal of Chemical Physics·Avraham MorielEran Bouchbinder
Jun 10, 2018·The Journal of Chemical Physics·Edan Lerner, Eran Bouchbinder
Aug 18, 2018·Physical Review Letters·Geert KapteijnsEdan Lerner
Sep 11, 2019·Physical Review. E·Kumpei ShiraishiAtsushi Ikeda
Feb 26, 2020·Proceedings of the National Academy of Sciences of the United States of America·Corrado RainoneEdan Lerner
Jul 18, 2018·Physical Review. E·Fernanda P C BenettiGabriele Sicuro
Jan 4, 2019·Nature Communications·Lijin WangElijah Flenner
Jul 10, 2019·Physical Review Letters·Hua TongHajime Tanaka
Nov 10, 2020·Soft Matter·Masanari ShimadaAtsushi Ikeda
Mar 1, 2021·The Journal of Chemical Physics·Geert KapteijnsEdan Lerner
Mar 10, 2021·The Journal of Chemical Physics·Corrado RainoneEdan Lerner
Mar 20, 2021·Physical Review. E·Karina González-LópezEdan Lerner
Mar 20, 2021·Physical Review. E·Karina González-LópezEdan Lerner

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