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The interaction of rotons in HeII

✍ Scribed by Gregory H. Bauer; Russell J. Donnelly


Publisher
Springer US
Year
1992
Tongue
English
Weight
188 KB
Volume
89
Category
Article
ISSN
0022-2291

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## 2-roton Raman spectra of superfluid 4He have been measured at T=0.65K under pressures from svp to P=20kg/cm\*. No intrinsic spectral width has been observed at all pressures. Contribution of phonons has been found in the lower energy region of the P-roton peak. Considering it, the experimental

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