Volume 46, Number 1, April I 1999
|Page(s)||68 - 74|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 December 2003|
The Josephson plasma resonance in in a tilted field
Joseph Henry Laboratories of Physics, Princeton University Princeton, New Jersey 08544, USA
2 Department of Applied Chemistry, University of Tokyo Hongo, Bunkyo-ku, Tokyo 113, Japan
Accepted: 22 January 1999
The dependence of the Josephson plasma frequency in on a tilted field is reported. Measurements over a large range of B and tilt angle θ allow a detailed comparison with a recent calculation by Koshelev. With a slight modification of the model, close agreement is obtained. From the fits, we find values for the in-plane correlation length and the zero-field critical current density Jc0 (4600 A/cm2 at 30 K). An analogy to Bragg diffraction is described, as well as a picture for the fractional-exponent behavior of vs. .
PACS: 74.72.Hs – High-Tc compounds: Bi-based cuprates / 74.50.+r – Proximity effects, weak links, tunneling phenomena, and Josephson effect / 74.60.Ge – Flux pinning, flux creep, and flux-line lattice dynamics
© EDP Sciences, 1999
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