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Josephson Plasma Resonance in $Bi 2 Sr 2 Ca Cu 2 O {8+y}$ with Spatially Dependent Interlayer-Phase Coherence by Kameda, N.; Tokunaga, M.; Tamegai, T.; Konczykowski, M.; Okayasu, S. is a scholarly article available to read on EtoBox.

What is Josephson Plasma Resonance in $Bi 2 Sr 2 Ca Cu 2 O {8+y}$ with Spatially Dependent Interlayer-Phase Coherence about?

We study the Josephson plasma resonance (JPR) in Bi$_2$Sr$_2$CaCu$_2$O$_{8+y}$ (BSCCO) with spatially dependent interlayer-phase coherence (IPC). The half-irradiated BSCCO (HI-BSCCO), in which columnar defects are introduced only in a half of the sample, shows several resonance peaks, which are not simple superposition of the peaks in irradiated- and pristine-parts. JPR in HI-BSCCO changes its character from irradiated- to pristine-type at a crossover frequency ($\omega_{cr}$). We demonstrate that the one-dimensional \LSGE, which takes into account the spatial dependence of IPC, can reproduce most of the experimental findings including the presence of $\omega_{cr}$.

Author

Kameda, N.; Tokunaga, M.; Tamegai, T.; Konczykowski, M.; Okayasu, S.

Published

2004

Language

EN