JOSEPHSON PHENOMENA AND QUANTUM FERROMAGNETISM IN DOUBLE-LAYER QUANTUM HALL SYSTEMS

被引:21
作者
EZAWA, ZF
机构
[1] Department of Physics, Tohoku University
来源
PHYSICAL REVIEW B | 1995年 / 51卷 / 16期
关键词
D O I
10.1103/PhysRevB.51.11152
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We analyze an effective theory for double-layer quantum Hall systems whose effective Hamiltonian consists of a kinetic energy term for the Goldstone mode and a tunneling term for electrons. This system corresponds to the quantum ferromagnet theory recently proposed. It is shown that Josephson phenomena occur except for the Meissner effect. A detailed physical picture of the commensurate-incommensurate phase transition in the magnetic order is described on the analogy of superconductor Josephson junction. Plasmon excitations are analyzed in each phase. © 1995 The American Physical Society.
引用
收藏
页码:11152 / 11155
页数:4
相关论文
共 21 条
[1]  
Ezawa Z.F., Iwazaki A., CHERN-SIMONS GAUGE THEORY FOR DOUBLE-LAYER ELECTRON SYSTEM, International Journal of Modern Physics B, 6, (1992)
[2]  
Ezawa Z.F., Iwazaki A., Phys. Rev. B, 47, (1993)
[3]  
Ezawa Z.F., Iwazaki A., Phys. Rev. B, 48, (1993)
[4]  
Ezawa Z.F., Iwazaki A., Phys. Rev. Lett., 70, (1993)
[5]  
Ezawa Z.F., Iwazaki A., JOSEPHSON EFFECT AND ASSOCIATED PHENOMENA IN DOUBLE-LAYER QUANTUM HALL SYSTEMS, International Journal of Modern Physics B, 8, (1994)
[6]  
Ezawa Z.F., Iwazaki A., Wu Y.S., PROPOSAL FOR MEASURING FRACTIONAL CHARGE OF QUASIPARTICLES WITH QUANTUM HALL-STATE JOSEPHSON EFFECT, Modern Physics Letters B, 7, (1993)
[7]  
Ezawa Z.F., Iwazaki A., Wu Y.S., JOSEPHSON EFFECT IN MULTILAYER QUANTUM HALL SYSTEMS, Modern Physics Letters B, 7, (1993)
[8]  
Wen X.G., Zee A., Phys. Rev. Lett., 69, (1992)
[9]  
Wen X.G., Zee A., Phys. Rev. B, 47, (1993)
[10]  
Murphy S.Q., Eisenstein J.P., Boebinger G.S., Pfeiffer L.N., West K.W., Phys. Rev. Lett., 72, (1994)