DETECTION OF IMPURITY TUNNELING IN SOLIDS VIA COHERENT PHONON COUPLING AND DIRECT NEUTRON SCATTERING
- 1 December 1981
- journal article
- Published by EDP Sciences in Le Journal de Physique Colloques
- Vol. 42 (C6) , C6-923
- https://doi.org/10.1051/jphyscol:19816275
Abstract
A theoretical treatment is given of the observation of molecular tunneling in solids by the coherent interaction of the tunnel-split excitations with acoustic phonons and by direct neutron inelastic scattering. Results are applied to the case of rotation tunneling of CN- dumbbells in KBr and KB1 and to the motion of H atoms in two-well traps associated with oxygen impurities in niobium. Comparison is made with experimentKeywords
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