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http://digitalrepository.fccollege.edu.pk/handle/123456789/2035
Title: | Density-wave propagation within layered high-temperature superconducting plasmas |
Authors: | Ali, Rashid Shah, H. A. |
Issue Date: | 22-May-2000 |
Publisher: | Journal of Physics: Condensed Matter |
Citation: | Ali, Rashid, and H. A. Shah. "Density-wave propagation within layered high-temperature superconducting plasmas." Journal of Physics: Condensed Matter 12.27 (2000): 5857. |
Abstract: | . In the present work we theoretically investigate density-wave propagation in a superconducting medium, consisting of a finite number of layers. An electromagnetic wave interacts with superconducting electrons to set up charge-density gradients within the superconducting electron plasma. We use the London equations and a two fluid approach along with a Kronig–Penney model to describe the layered medium, in order to investigate the density wave behaviour by deriving a linear dispersion relation. It is shown that the charge density wave dissipates gradually. We numerically investigate the dependence of the complex Bloch-wave number on the propagation frequency using the standard boundary conditions of the Kronig–Penney model. Expressions of reflectivity and transmissivity are derived for a periodic layered structure consisting of a finite number of superconducting layers; these quantities are investigated numerically for a high temperature superconductor and their dependence on background parameters is discussed. |
URI: | http://202.142.177.21/handle/123456789/2035 |
Appears in Collections: | Physics Department |
Files in This Item:
File | Description | Size | Format | |
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2000 Density-wave propagation within layered high-temperature.pdf | 141.76 kB | Adobe PDF | View/Open |
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