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cond-mat.mtrl-sci2019
Detection of boson peak and fractal dynamics of disordered system using terahertz spectroscopy
Tatsuya Mori, Yue Jiang, Yasuhiro Fujii +8
Disordered systems exhibit universal excitation, referred to as the boson peak, in the terahertz region. Meanwhile, the so-called fracton is expected to appear in the nanoscale reg…
cond-mat.mtrl-sci2019
Sound damping in glasses: interplay between anharmonicities and elastic heterogeneities
Hideyuki Mizuno, Giancarlo Ruocco, Stefano Mossa
Some facets of the way sound waves travel through glasses are still unclear. Recent works have shown that in the low-temperature harmonic limit a crucial role in controlling sound…