Vortex transport entropy in cuprate superconductors and Boltzmann constant

Vortex transport entropy in cuprate superconductors and Boltzmann constant

The vortex transport entropy in the mixed state of the cuprate superconductors YBa2Cu3O7−δand Bi2Sr2CaCu2O8+x at the maximum Nernst or Ettingshausen signal below Tc is discussed. The vortex transport entropy per Cu02 double layer in the cuprate epitaxial films is found to be close to the Boltzmann c...

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Veröffentlicht in:Physica. C, Superconductivity Superconductivity, 2021-12, Vol.591, p.1353975, Article 1353975
Hauptverfasser: Huebener, R.P., Ri, H.-C.
Format: Artikel
Sprache:eng
Schlagworte:
Bismuth strontium calcium copper oxide
Entropy
High-[formula omitted] films
Superconductors
Thermodynamic properties
Thin films
Transport properties
Vortex phases
Vortices
YBCO superconductors
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Zusammenfassung:The vortex transport entropy in the mixed state of the cuprate superconductors YBa2Cu3O7−δand Bi2Sr2CaCu2O8+x at the maximum Nernst or Ettingshausen signal below Tc is discussed. The vortex transport entropy per Cu02 double layer in the cuprate epitaxial films is found to be close to the Boltzmann constant, in agreement with the recent results of C. W. Rischau et al. on two-dimensional superconductors.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2021.1353975