Research Papers in Physics and Astronomy

 

Date of this Version

1989

Citation

Physical Review Letters Volume 62, Number 3, January 1989

Comments

Copyright 1989 The American Physical Society

Abstract

Measurements of the attenuation of longitudinal ultrasound in superconducting UPt3 show a peak, below Hc2, which depends strongly on the orientation of the field relative to the c axis. We propose an explanation of this peak in terms of a vortex phase transition in an unconventional superconducting state, which is consistent with recent neutron-scattering data.

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