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Observation of Zero-Sound at Atomic Wave-Vectors in

✍ Scribed by H. Godfrin; M. Meschke; H.-J. Lauter; H. M. Böhm; E. Krotscheck; M. Panholzer


Book ID
106418806
Publisher
Springer US
Year
2009
Tongue
English
Weight
351 KB
Volume
158
Category
Article
ISSN
0022-2291

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Observation of quantum limit of zero sou
✍ Koichi Matsumoto; Toru Ikegami; Yuichi Okuda 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 174 KB

We are studying the quantum limit of zero sound absorption in normal 3He in which sound quanta are absorbed or emitted directly by quasiparticles. For that experiment, high frequency ultrasound is required since the condition hto > K T must be satisfied. We have succeeded in observing zero sound at