Observation of thermoelectrically induced charge imbalance in superconducting aluminum

H. Jonathon Mamin; John Clarke; D. J. Van Harlingen

doi:10.1103/PhysRevLett.51.1480

Observation of thermoelectrically induced charge imbalance in superconducting aluminum

H. Jonathon Mamin, John Clarke, D. J. Van Harlingen

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

The quasiparticle transport current induced in a superconducting aluminum film by a temperature gradient has been detected by measurements of the spatially decaying charge imbalance generated near the end of the sample where the current is divergent. The results are in good agreement with theory when the nonuniformity of the temperature gradient is taken into account. In particular, the inferred value of the thermopower agrees well with the value obtained when the aluminum is in the normal state.

Original language	English (US)
Pages (from-to)	1480-1483
Number of pages	4
Journal	Physical review letters
Volume	51
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.51.1480
State	Published - 1983

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General Physics and Astronomy

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10.1103/PhysRevLett.51.1480

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title = "Observation of thermoelectrically induced charge imbalance in superconducting aluminum",

abstract = "The quasiparticle transport current induced in a superconducting aluminum film by a temperature gradient has been detected by measurements of the spatially decaying charge imbalance generated near the end of the sample where the current is divergent. The results are in good agreement with theory when the nonuniformity of the temperature gradient is taken into account. In particular, the inferred value of the thermopower agrees well with the value obtained when the aluminum is in the normal state.",

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AB - The quasiparticle transport current induced in a superconducting aluminum film by a temperature gradient has been detected by measurements of the spatially decaying charge imbalance generated near the end of the sample where the current is divergent. The results are in good agreement with theory when the nonuniformity of the temperature gradient is taken into account. In particular, the inferred value of the thermopower agrees well with the value obtained when the aluminum is in the normal state.

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Observation of thermoelectrically induced charge imbalance in superconducting aluminum

Abstract

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