A possible cooling effect in high temperature superconductors

Details A possible cooling effect in high temperature superconductors A possible cooling effect in high temperature superconductors

2001-06-09

arxiv.org/abs/cond-mat/0106177v2

Phys. Rev. B, v. 65, 144504 (2002)

Physics

Condensed Matter

Superconductivity

5 pages, to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.65.144504

We show that an adiabatic increase of the supercurrent along a superconductor with lines of nodes of the order parameter on the Fermi surface can result in a cooling effect. The maximum cooling occurs if the supercurrent increases up to its critical value. The effect can also be observed in a mixed state of a bulk sample. An estimate of the energy dissipation shows that substantial cooling can be performed during a reasonable time even in the microkelvin regime.

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