Heat switch and thermoelectric effects based on Cooper-pair splitting and elastic cotunneling

N. S. Kirsanov, Zhenbing Tan, Dmitry Golubev, Pertti J. Hakonen, Gordey Lesovik

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

15 Sitaatiot (Scopus)
215 Lataukset (Pure)

Abstrakti

In this paper, we demonstrate that the hybrid normal-superconducting-normal (NSN) structure has potential for a multifunctional thermal device which could serve for heat flux control and cooling of microstructures. By adopting the scattering matrix approach, we theoretically investigate thermal and electrical effects emerging in such structures due to the Cooper pair splitting (CPS) and elastic cotunneling phenomena. We show that a finite superconductor can, in principle, mediate heat flow between normal leads, and we further clarify special cases when this seems contradictory to the second law of thermodynamics. Among other things, we demonstrate that the CPS phenomenon can appear even in the simple case of a ballistic NSN structure.

AlkuperäiskieliEnglanti
Artikkeli115127
Sivut1-9
Sivumäärä9
JulkaisuPhysical Review B
Vuosikerta99
Numero11
DOI - pysyväislinkit
TilaJulkaistu - 18 maalisk. 2019
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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