ZERO-SOUND MEASUREMENTS IN SUPERFLUID **3He.

M. W. Meisel,B. S. Shivaram,Bismal K. Sarma,John B Ketterson,William P Halperin

ZERO-SOUND MEASUREMENTS IN SUPERFLUID **3He.

2008

M. W. Meisel
B. S. Shivaram
Bismal K. Sarma
John B Ketterson
William P Halperin

Pulsed transmission and acoustic impedance techniques have been used to perform zero-sound measurements in superfluid /sup 3/He. In the A-phase, a new collective mode of the order parameter has been observed and is identified as the super-flapping mode.

Keywords:

Condensed matter physics
Roton
Zero sound
Superfluid helium-4
Superfluidity
Physics
Quantum fluid
Helium-3
Computational physics
Acoustic impedance
Isotopes of helium

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