| Issue |
Europhys. Lett.
Volume 66, Number 6, June 2004
|
|
|---|---|---|
| Page(s) | 840 - 846 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2003-10265-1 | |
| Published online | 01 June 2004 | |
Unusual interplay between copper-spin and vortex
dynamics in slightly overdoped 
1
Laboratory for Neutron Scattering, ETH Zurich and PSI Villigen CH-5232 Villigen, Switzerland
2
Institute Laue-Langevin - BP 156, F-38042 Grenoble Cedex, France
3
Department of Physics, Hokkaido University - Sapporo 060-0810, Japan
Received:
10
October
2003
Accepted:
19
April
2004
Our inelastic neutron scattering experiments of the spin
excitations in the slightly overdoped
compound show that, under the
application of a magnetic field of 5 tesla, the low-temperature
susceptibility undergoes a weight redistribution centered at the
spin gap energy. Furthermore, by comparing the temperature
dependence of the neutron data with ac susceptibility and
magnetization measurements, we conclude that the filling-in of
the spin gap tracks the irreversibility/melting temperature
rather than 
, which indicates an unusual interplay
between the magnetic vortices and the spin excitations even in
the slightly overdoped regime of high-temperature superconductors.
PACS: 74.72.Dn – 
-based cuprates / 25.40.Fq – Inelastic neutron scattering / 75.40.Gb – Dynamic properties (dynamic susceptibility,
spin waves, spin diffusion, dynamic scaling, etc.)
© EDP Sciences, 2004
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.