317 citations
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Showing 2004Show all
2 papers · 1 filter
cond-mat.stat-mech2004
Quasistationary states and coherent versus incoherent transitions for crossing diabatic potentials
V. A. Benderskii, E. V. Vetoshkin, E. I. Kats
We investigate coherent and incoherent tunneling phenomena in conditions of crossing diabatic potentials. We consider a model of two crossing parabolic diabatic potentials with an…
cond-mat.dis-nn2004★ 2 cited
Neutron scattering evidence on the nature of the boson peak
U. Buchenau, A. Wischnewski, M. Ohl +1
A close inspection of neutron spectra of glass formers in the frequency region above the boson peak does not show the constant eigenvalue density expected for a random dynamical ma…