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2007 | 111 | 4 | 573-580
Article title

Charge-Density-Wave Origin of Dip-Hump Structures in the Tunnel Spectra of Bi_2Sr_2CaCu_2O_{8+δ}

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Abstracts
EN
We calculated the differential conductance G as the function of the bias voltage V across the tunnel junction between a normal metal or a conventional superconductor and an inhomogeneous superconductor with charge density waves. Spatial averaging over random domains with varying superconducting and normal state properties was carried out. For high-T_c oxides, irregularly distorted charge density wave patterns with spatially scattered values of various parameters were earlier shown to manifest themselves in a great body of experimental data. The results of calculation were applied to explain the well-known dip-hump structure in the G(V) dependence for Bi_2Sr_2CaCu_2O_{8+δ} and other cuprates.
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Contributors
author
  • Hiroshima University, Faculty of Integrated Arts and Sciences, Higashi-Hiroshima, 739-8521, Japan
author
  • Institute of Physics, Nauki Ave. 46, 03028 Kiev, Ukraine
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
  • Department of Chemistry, Warsaw University, al.Żwirki i Wigury 101, 02-089 Warsaw, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
  • Institute of Physics, Nauki Ave. 46, 03028 Kiev, Ukraine
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Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv111n415kz
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