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cond-mat2000★ 11 cited
Elastic response of [111]-tunneling impurities
P. Nalbach, O. Terzidis, K. Topp +1
We study the dynamic response of a [111] quantum impurity, such as lithium or cyanide in alkali halides, with respect to an external field coupling to the elastic quadrupole moment…
cond-mat1994★ 18 cited
Relaxation due to Incoherent Tunnelling in Dielectric Glasses
Peter Neu, Alois Würger
A new relaxation mechanism is shown to arise from overdamped two-level systems above a critical temperature K, thus yielding an explanation for experimental observat…