Thermoelectric ac Josephson effect in SNS junctions |
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Authors: | GI Panaitov VV Ryazanov AV Ustinov VV Schmidt |
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Institution: | Institute of Solid State Physics of the USSR Academy of Sciences, Chernogolovka, Moscow District, 142432 USSR |
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Abstract: | It was experimentally evidenced, that Josephson radiation from an SNS junction exists, when a heat flow across the junction exceeds a critical value Pc. The ac component of the thermoelectric voltage was observed directly. The heat-flux-voltage characteristic of a TaCuTa junction showed steps of constant voltage, when the junction was irradiated by an external electromagnetic field at frequenct ~ 102 Hz. |
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