Frequency-tunable superconducting cloaking

We have theoretically suggested a temperature-dependent superconducting cloak whose cloaking frequency can be externally controlled, since the dielectric constant of the superconductor is well tuned with the operating temperature. The results show that this tunable cloak exhibits a fine tunability i...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2010-12, Vol.43 (48), p.485401-485401
Main Authors: Li, Peining, Liu, Youwen, Meng, Yunji, Zhu, Mingjun
Format: Article
Language:English
Subjects:
Dielectric constant
Exact sciences and technology
Flexibility
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Noise levels
Operating temperature
Other topics in instruments, apparatus, components and techniques common to several branches of physics and astronomy
Physics
Reduction
Scattering
Superconductivity
Superconductors
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Summary:We have theoretically suggested a temperature-dependent superconducting cloak whose cloaking frequency can be externally controlled, since the dielectric constant of the superconductor is well tuned with the operating temperature. The results show that this tunable cloak exhibits a fine tunability in the low-temperature range 0–0.3 T c and a fast tunability in the high-temperature range 0.3 T c – T c , together with a large reduction in scattering (
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/43/48/485401