| Issue |
Europhys. Lett.
Volume 33, Number 4, February I 1996
|
|
|---|---|---|
| Page(s) | 303 - 308 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1996-00337-8 | |
| Published online | 01 September 2002 | |
Unconventional vortex dynamics in the low-field superconducting phases of UPt3
1
Laboratorium für Festkörperphysik - ETH, 8093 Zürich,
Switzerland
2
Department of Physics and IPAP, UCSD - La Jolla, CA 92093-0319,
USA
3
Los Alamos National Laboratory - Los Alamos, NM 87545, USA
Received:
8
November
1995
Accepted:
12
December
1995
The flux dynamics at low magnetic fields in 
shows a
clear distinction between the relaxation of bulk vortices and those
close to the surface. In addition, in the high-temperature A-phase,
vortices trapped in the bulk of the specimen after cycling it in a
magnetic field creep out as expected, while bulk vortices in the
B-phase remain strongly pinned, indicating that an intrinsic, novel
pinning mechanism exists in the low-temperature superconducting phase
of .
PACS: 74.70.Tx – Heavy-fermion superconductors / 74.60.Ge – Flux pinning, flux creep, and flux-line lattice dynamics
© EDP Sciences, 1996
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