<Research Report>Josephson Plasma Excitations in Intrinsic Josephson Junctions of High-Tc Superconductors

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  • <研究ノート>高温超伝導体固有ジョセフソン接合におけるプラズマ励起
  • 高温超伝導体固有ジョセフソン接合におけるプラズマ励起
  • コウオン チョウデンドウタイ コユウ ジョセフソン セツゴウ ニ オケル プラズマ レイキ

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Description

Studies on excitations of electromagnetic waves inside Bi[2]Sr[2]CaCu[2]O[8+5] intrinsic Josephson junctions are described. Josephson vortices introduced between their superconductive CuO[2] layers severely couple with the excited Josephson plasma modes and result in the dominant factor for their propagating vector. Emission of the Josephson plasma was confirmed in the absence of applied magnetic field. This stimulates developments of compact superconducting THz sources in future.

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