Phonon Images of Crystals for Different Sources |
| Cz. Jasiukiewicz and T. Paszkiewicz Institute of Theoretical Physics, University of Wrocław, Pl. M. Borna 36, 50-204 Wrocław, Poland |
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| The focusing patterns for energy and quasi-momentum are obtained for different types of phonon sources. We considered point and extended (Gaussian) sources and sources of monochromatic and Planckian phonons. |
| DOI: 10.12693/APhysPolA.84.459 PACS numbers: 63.20.Kl, 66.70.+f |