COLLECTIVE JOSEPHSON PLASMA RESONANCE IN THE VORTEX STATE OF BI2SR2CACU2O8+DELTA

被引：349

作者：

MATSUDA, Y ^{[1
]}

GAIFULLIN, MB ^{[1
]}

KUMAGAI, K ^{[1
]}

KADOWAKI, K ^{[1
]}

MOCHIKU, T ^{[1
]}

机构：

[1] NATL RES INST MET,TSUKUBA LAB,TSUKUBA,IBARAKI 305,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.75.4512

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have measured the microwave surface resistance (30-60 GHz) for different crystallographic orientations in the vortex state of Bi2Sr2CaCu2O8+delta. A sharp magnetoabsorption resonance is observed below T-c when ac electric fields and magnetic fields are applied parallel to the c axis (E(ac) parallel to B parallel to c). We argue that the observed resonance arises from collective Josephson plasma oscillations generated by interlayer Josephson currents. From the frequency and temperature dependence of the resonance, we discuss the interlayer phase coherence in the vortex liquid and solid states quantitatively.

引用

页码：4512 / 4515

页数：4

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