Gapless phasons and transverse sound-wave asymmetries in K2SeO4
Physical Review B, ISSN: 0163-1829, Vol: 36, Issue: 10, Page: 5377-5382
1987
- 9Citations
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations9
- Citation Indexes9
- CrossRef8
Article Description
Based on an inelastic neutron scattering experiment, it has recently been suggested that phasons in the incommensurate phase of K2SeO4 possess a gap of approximately 50 GHz [M. Quilichini and R. Currat, Solid State Commun. 48, 1011 (1983)]. We have found that these data may also be explained using a coupled phason sound-wave theory, for which the phasons are gapless. We then use the coupled excitation theory to predict certain velocity and attenuation asymmetries for transverse sound waves under interchange of their propagation and polarization directions. Lastly, we find that, in the long-wavelength limit, the attenuation asymmetry present for a system with gapless phasons is absent for a system possessing a phason gap. © 1987 The American Physical Society.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33744586562&origin=inward; http://dx.doi.org/10.1103/physrevb.36.5377; http://www.ncbi.nlm.nih.gov/pubmed/9942175; https://link.aps.org/doi/10.1103/PhysRevB.36.5377; http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevB.36.5377/fulltext; http://link.aps.org/article/10.1103/PhysRevB.36.5377
American Physical Society (APS)
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