Anisotropy of transverse sound in the heavy fermion superconductor UPt/sub 3/

Journal Article · Mon Mar 10 04:00:00 EST 1986 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.56.1078· OSTI ID:6067801

Shivaram, B S; Jeong, Y H; Rosenbaum, T F; Hinks, D G

We report the first measurements of the attenuation of ultrasound in the basal plane of superconducting UPt/sub 3/. Transverse sound propagating along the b axis shows a marked anisotropy in its temperature dependence when the polarization is rotated in and out of the basal plane. For polarization in the basal plane the attenuation varies linearly with temperature down to 35 mK and the slope scales as the square of the frequency. Our results appear to indicate the presence of an additional attenuation mechanism when compared with recent theories of anisotropic superconductors in the dirty limit.

• Research Organization: The James Franck Institute and the Department of Physics, The University of Chicago, Chicago, Illinois 60637
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 6067801
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 56:10; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ACOUSTIC MEASUREMENTS
ACTINIDE ALLOYS
ALLOYS
ATTENUATION
DATA
EXPERIMENTAL DATA
FERMIONS
INFORMATION
NUMERICAL DATA
PLATINUM ALLOYS
PLATINUM METAL ALLOYS
POLARIZATION
SOUND WAVES
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TYPE-I SUPERCONDUCTORS
ULTRASONIC WAVES
URANIUM ALLOYS