The Josephson plasma resonance in Bi2Sr2CaCu2O8 in a tilted field

被引：2
|
作者：
Bayrakci, SP [1 ]
Tsui, OKC
Ong, NP
Kishio, K
Watauchi, S
机构：
[1] Princeton Univ, Joseph Henry Labs Phys, Princeton, NJ 08544 USA
[2] Univ Tokyo, Dept Appl Chem, Bunkyo Ku, Tokyo 113, Japan
来源：
EUROPHYSICS LETTERS | 1999年 / 46卷 / 01期
关键词：
D O I：
10.1209/epl/i1999-00564-y
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The dependence of the Josephson plasma frequency omega(p) in Bi2Sr2CaCu2O8 on a tilted field H is reported. Measurements over a large range of B and tilt angle theta 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 aero-field critical current density J(c0) (4600 A/cm(2) at 30 K). An analogy to Bragg diffraction is described, as well as a picture for the fractional-exponent behavior of omega(p) vs. H.
引用
收藏
页码：68 / 74
页数：7
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