Influence of quantum effects on low-frequency internal friction in crystalline hydrogen and neon
A. V. Leont’evaPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskG. A. MarininPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskA. Yu. ProkhorovPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskT. N. AnisimovaPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, Donetsk
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The peculiarities of low-frequency internal friction (LFIF) in hydrogen and neon cryocrystals are studied. The anomalous behavior of LFIF in H2 and Ne is observed in contrast to the behavior of Ar at low temperatures. This is apparently due to substantial quantum effects in these crystals.
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