| Issue |
Europhys. Lett.
Volume 36, Number 7, December I 1996
|
|
|---|---|---|
| Page(s) | 545 - 550 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1996-00267-5 | |
| Published online | 01 September 2002 | |
Search for a spontaneous magnetization in the superconducting B-phase of UPt3
1
Department of Physics, Faculty of Science, Nagoya University
Nagoya 464-01, Japan
2
Department of Physics, Faculty of Science, Osaka University
Toyonaka, Osaka 560, Japan
3
Advanced Science Research Center, Japan Atomic Energy
Research Institute, Tokai, Ibaraki 319-11, Japan
Received:
12
August
1996
Accepted:
18
October
1996
We report the results of a search for a spontaneous
magnetization in the superconducting B-phase of 
which is
predicted to exist because of broken time-reversal symmetry. We have
measured the change of magnetic flux upon the superconducting transition
in a field very close to zero by using a SQUID magnetometer. Our result
gives the upper limit of 2 mG for the spontaneous internal field, one order
of magnitude smaller than obtained by a recent 
measurement.
The small value favors the theory of orbital degeneracy of the pair wave
function over the theory of spin degeneracy.
PACS: 74.70.Tx – Heavy-fermion superconductors
© EDP Sciences, 1996
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.