Measurement of the Difference between the Dynamic NMR and Static Susceptibilities of Superfluid-Using an rf-Biased Superconducting Quantum-Interference Device
- 16 May 1977
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 38 (20), 1151-1155
- https://doi.org/10.1103/physrevlett.38.1151
Abstract
The temperature-dependent susceptiblity of superfluid - has been measured both statically and via a pulse technique in a field of 309 G using an rf-biased superconducting quantum-interference device (SQUID). In the pressure range 26.5 to 18 bar, the dynamic NMR susceptiblity agrees qualitatively with the theoretical weak-coupling predictions for the Balian-Werthamer state. However, the static susceptiblity, measured using the same rf-biased SQUID and detection system, is significantly smaller thatn the dynamic susceptibility.
Keywords
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