| Issue |
Europhys. Lett.
Volume 63, Number 5, September 2003
|
|
|---|---|---|
| Page(s) | 750 - 756 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2003-00581-4 | |
| Published online | 01 November 2003 | |
Two dynamic exponents in the resistive transition of fully frustrated Josephson-junction arrays
1
Laboratório Associado de Sensores e Materiais Instituto Nacional de Pesquisas Espaciais 12201-190 São José dos Campos, São Paulo, Brazil
2
Centro Atômico Bariloche - 8400 San Carlos de Bariloche, Rio Negro, Argentina
Received:
10
December
2002
Accepted:
20
June
2003
We study the resistive transition in Josephson-junction arrays at
flux quantum per plaquette by dynamical simulations of
the resistively-shunted-junction model. The current-voltage
scaling and critical dynamics of the phases are found to be well
described by the same critical temperature and static exponents as
for the chiral (vortex-lattice) transition. Although this behavior
is consistent with a single-transition scenario, where phase and
chiral variables order simultaneously, two different dynamic
exponents result for phase coherence and chiral order.
PACS: 74.81.Fa – Josephson junction arrays and wire networks / 64.60.Cn – Order-disorder transformations; statistical mechanics of model systems / 74.25.Qt – Vortex lattices, flux pinning, flux creep
© EDP Sciences, 2003
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