Instantaneous resonant modes in high-temperature gallium liquids

Ten-Ming Wu, Shiow Fon Tsay, S. L. Chang, Wen Jong Ma

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We have studied the low-frequency, quasilocalized vibrational excitations in Ga liquids in terms of instantaneous-normal-mode analysis. We present strong numerical evidence for the existence of the instantaneous resonant modes (IRM's) in high-temperature Ga liquids. It is the exotic repulsive-core interaction between Ga particles that gives rise to the IRM'S, which are associated with special local structures created by density fluctuation. In general, the IRM density of states is found to increase with temperature.

Original languageEnglish
Article number064204
Pages (from-to)642041-642044
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number6
StatePublished - 1 Aug 2001


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