Thermopower induced by a supercurrent in superconductor-normal-metal structures
arXiv:cond-mat/0401008 · doi:10.1103/PhysRevLett.92.177004
Abstract
We examine the thermopower Q of a mesoscopic normal-metal (N) wire in contact to superconducting (S) segments and show that even with electron-hole symmetry, Q may become finite due to the presence of supercurrents. Moreover, we show how the dominant part of Q can be directly related to the equilibrium supercurrents in the structure. In general, a finite thermopower appears both between the N reservoirs and the superconductors, and between the N reservoirs themselves. The latter, however, strongly depends on the geometrical symmetry of the structure.
4 pages, 4 figures; text compacted and material added
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