most citedNeutron scattering evidence on the nature of the boson peak

2 citations

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3 papers

cond-mat.other2005★ 1 cited

Accuracy of Semiclassics: Comparative Analysis of WKB and Instanton Approaches

V. A. Benderskii, E. V. Vetoshkin, E. I. Kats

We analyze quantitatively the accuracy of eigenfunction and eigenvalue calculations in the frame work of WKB and instanton semiclassical methods. We show that to estimate the accur…

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…