| Issue |
Europhys. Lett.
Volume 47, Number 4, August II 1999
|
|
|---|---|---|
| Page(s) | 494 - 500 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1999-00415-5 | |
| Published online | 01 September 2002 | |
Critical properties of Bose-glass superconductors
Department of Theoretical Physics, Royal Institute of Technology SE-100 44 Stockholm, Sweden
Received:
2
June
1999
Accepted:
28
June
1999
We study vortex lines in high-temperature superconductors with
columnar defects produced by heavy-ion irradiation. We reconsider
scaling theory for the Bose-glass transition with
tilted magnetic fields, and propose, e.g., a new scaling form for the
shape of the Bose glass phase boundary, which is relevant for
experiments. We also consider Monte Carlo simulations for a vortex
model with a screened interaction. Critical exponents are determined
from scaling analysis of Monte Carlo data for current-voltage
characteristics and other quantities. The dynamic critical exponent
is found to be 
.
PACS: 74.60.Ge – Flux pinning, flux creep, and flux-line lattice dynamics / 75.40.Mg – Numerical simulation studies / 05.70.Fh – Phase transitions: general studies
© EDP Sciences, 1999
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