Magnetoacoustic spectroscopy in superfluid (3)He-B

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We have used the acoustic Faraday effect in superfluid (3)He to perform high resolution spectroscopy of an excited state of the superfluid condensate, called the imaginary squashing mode. With acoustic cavity interferometry we measure the rotation of the plane of polarization of a transverse sound wave propagating in the direction of the magnetic field from which we determine the Zeeman energy of the mode. We interpret the Lande g factor, combined with the zero-field energies of this excited state, using the theory of Sauls and Serene, to calculate the strength of f-wave interactions in (3)He.
Publisher
AMER PHYSICAL SOC
Issue Date
2008-01
Language
English
Article Type
Article
Keywords

COLLECTIVE MODE; WAVES; SOUND

Citation

PHYSICAL REVIEW LETTERS, v.100, no.1

ISSN
0031-9007
DOI
10.1103/PhysRevLett.100.015301
URI
http://hdl.handle.net/10203/89206
Appears in Collection
PH-Journal Papers(저널논문)
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