| Issue |
Europhys. Lett.
Volume 43, Number 5, September I 1998
|
|
|---|---|---|
| Page(s) | 585 - 590 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1998-00401-5 | |
| Published online | 01 September 2002 | |
Observation of anomalous dissipation in dynamics of vortices in Bi2212 in the region of 3D-2D crossover
P. L. Kapitza Institute for Physical Problems, Russian Academy of Science, ul. Kosygina 2, 117334 Moscow, Russia
Received:
26
February
1998
Accepted:
9
July
1998
Anomalous decrease of the amplitude of Bi 2212 single-crystal vibrations in magnetic field is observed, indicating the existence of strong damping in vortex matter in the region of 3D-2D crossover. This phenomenon occurs in the temperature region 5–35 K and at magnetic fields of 500–1500 Oe where the second-peak effect in magnetization is observed. The results are in qualitative agreement with the Monte Carlo simulation of phase transitions in a vortex system.
PACS: 74.72.Hs – Bi-based cuprates / 74.60.Ge – Flux pinning, flux creep, and flux-line lattice dynamics / 74.25.Nf – Response to electromagnetic fields (nuclear magnetic resonance, surface impedance, etc.)
© EDP Sciences, 1998
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