Observation of thermoelectrically induced charge imbalance in superconducting aluminum

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

Research output: Contribution to journalArticle

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 languageEnglish (US)
Pages (from-to)1480-1483
Number of pages4
JournalPhysical review letters
Volume51
Issue number16
DOIs
StatePublished - Jan 1 1983

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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